From 7cd600c34e55f3ff44b095cd0b63bc07aadb5664 Mon Sep 17 00:00:00 2001
From: truongnx <kris@DongTD-D8>
Date: Wed, 4 Oct 2023 14:21:24 +0700
Subject: [PATCH 1/9] remove unesscessary space

---
 bash      |  2 +-
 conda     |  2 +-
 curl      |  2 +-
 du        |  2 +-
 dwm       | 46 +++++++++++++++++++++++-----------------------
 ed        | 10 +++++-----
 emacs     |  2 +-
 ethtool   |  2 +-
 ffmpeg    |  2 +-
 fzf       |  2 +-
 go        |  4 ++--
 gpg       |  8 ++++----
 gyb       |  4 ++--
 ifconfig  |  2 +-
 java      |  2 +-
 kitty     |  6 +++---
 ls        |  2 +-
 markdown  |  8 ++++----
 multipass |  2 +-
 mutt      |  4 ++--
 openssl   |  8 ++++----
 p4        |  2 +-
 port      |  4 ++--
 r2        | 54 +++++++++++++++++++++++++++---------------------------
 rmdir     |  2 +-
 sar       |  2 +-
 sha256sum |  8 ++++----
 socat     |  4 ++--
 systemctl |  2 +-
 terraform |  4 ++--
 tmux      |  2 +-
 tr        | 12 ++++++------
 udisksctl |  2 +-
 yaourt    |  4 ++--
 yum       |  2 +-
 35 files changed, 113 insertions(+), 113 deletions(-)

diff --git a/bash b/bash
index 5097eac0..2284f9eb 100644
--- a/bash
+++ b/bash
@@ -1,6 +1,6 @@
 # To implement a for loop:
 for file in *;
-do 
+do
     echo $file found;
 done
 
diff --git a/conda b/conda
index a525a12a..135dd080 100644
--- a/conda
+++ b/conda
@@ -7,7 +7,7 @@ conda env list
 # To initialise an environment
 conda create --name <environment_name>
 
-# To initialise an environment with python3.10 
+# To initialise an environment with python3.10
 conda create --name <environment_name> python=3.10
 
 # To install from a file
diff --git a/curl b/curl
index 772de7f1..2c6e32f9 100644
--- a/curl
+++ b/curl
@@ -35,7 +35,7 @@ curl http://ifconfig.me/all.json
 curl --limit-rate 1000B -O <outfile>
 
 # To get your global IP:
-curl httpbin.org/ip 
+curl httpbin.org/ip
 
 # To get only the HTTP status code:
 curl -o /dev/null -w '%{http_code}\n' -s -I URL
diff --git a/du b/du
index d391127f..51bbdba7 100644
--- a/du
+++ b/du
@@ -12,7 +12,7 @@ du -shL
 du -h --apparent-size
 
 # To sort directories/files by size (human-readable):
-du -sh * | sort -rh 
+du -sh * | sort -rh
 
 # To list the 20 largest files and folders under the current working directory:
 du -ma | sort -nr | head -n 20
diff --git a/dwm b/dwm
index ec89bb5d..eaf6560b 100644
--- a/dwm
+++ b/dwm
@@ -2,78 +2,78 @@ Basic
 =====
 # launch terminal.
 [Shift]+[Mod]+[Enter]
-   
+
 # show/hide bar.
-[Mod]+[b]               
+[Mod]+[b]
 
 # dmenu for running programs like the x#www#browser.
-[Mod]+[p]               
+[Mod]+[p]
 
  # push acive window from stack to master, or pulls last used window from stack onto master.
-[Mod]+[Enter]          
+[Mod]+[Enter]
 
  # focus on next/previous window in current tag.
-[Mod] + [j / k]        
+[Mod] + [j / k]
 
  # increases / decreases master size.
-[Mod] + [h / l]        
+[Mod] + [h / l]
 
 
 Navigation
 ==========
 # moves your focus to tag 2.
-[Mod]+[2]      
+[Mod]+[2]
 
 # move active window to the 2 tag.
-[Shift]+[Mod]+[2]      
+[Shift]+[Mod]+[2]
 
  # increases / decreases number of windows on master
-[Mod] + [i / d]        
+[Mod] + [i / d]
 
 # move focus between screens (multi monitor setup)
-[Mod] + [, / .]        
+[Mod] + [, / .]
 
 # move active window to different screen.
-[Shift]+[Mod]+[, / .]   
+[Shift]+[Mod]+[, / .]
 
 # view all windows on screen.
-[Mod]+[0]               
+[Mod]+[0]
 
 # make focused window appear on all tags.
-[Shift]+[Mod]+[0]       
+[Shift]+[Mod]+[0]
 
 # kill active window.
-[Shift]+[Mod]+[c]      
+[Shift]+[Mod]+[c]
 
 # quit dwm cleanly.
-[Shift]+[Mod]+[q]       
+[Shift]+[Mod]+[q]
 
 
 Layout
 ======
 # tiled mode. []=
-[Mod]+[t]               
+[Mod]+[t]
 
 # floating mode. ><>
-[Mod]+[f]               
+[Mod]+[f]
 
 # monocle mode. [M] (single window fullscreen)
-[Mod]+[m]              
+[Mod]+[m]
 
 
 Floating
 ========
 # to resize the floating window.
-[Mod]+[R M B]           
+[Mod]+[R M B]
 
 # to move the floating window around.
-[Mod]+[L M B]           
+[Mod]+[L M B]
 
 # toggles to the previous layout mode.
-[Mod]+[Space]           
+[Mod]+[Space]
 
 # to make an individual window float.
-[Mod]+[Shift]+[Space]  
+[Mod]+[Shift]+[Space]
 
 # to make an individual window un#float.
-[Mod]+[M M B]           
+[Mod]+[M M B]
diff --git a/ed b/ed
index a4635b82..ef8c3c9b 100644
--- a/ed
+++ b/ed
@@ -8,11 +8,11 @@ tags: [ ed ]
 :q              quit
 :Q              quit without saving changes
 :f {name}       change buffer name
-:w              write to file using current buffer name 
+:w              write to file using current buffer name
 :w {file}       write buffer to new file
 :wq             write buffer to existing file and exit
 
-# Line-oriented addressing and movement 
+# Line-oriented addressing and movement
 #   `ed' uses line addresses to move around and operate within a buffer
 #   Move to or operate on single lines by entering the line number
 #   Move to or operate on ranges of lines using comma-separated values
@@ -53,12 +53,12 @@ r !{command}    read output of {command} into buffer after current line
 e test.txt                      edit file "test.txt"
 45                              `ed' returns character count as confirmation
 1,3n                            display lines 1 through 3 with line numbers
-1    This is line 1           
+1    This is line 1
 2    This is line 2
 3    This is line 3
 2c                              change line 2
 I am typing a new line 2
-.                               end active edit 
+.                               end active edit
 1,3n                            display lines 1 thorugh 3 with line numbers
 1    This is line 1
 2    I am typing a new line 2
@@ -71,7 +71,7 @@ wq                              write file "test.txt" and exit
 g/foo/          search all lines for `foo' and display matching lines
 g/foo/n         search all lines for `foo'; display with line numbers
 
-4,9/foo/        search lines 1 through 5 for `foo' and display matches 
+4,9/foo/        search lines 1 through 5 for `foo' and display matches
 4,9/foo/n       search lines 1 through 5 for `foo'; display with line numbers
 
 # Replace
diff --git a/emacs b/emacs
index 88f3f6ee..32a02ba0 100644
--- a/emacs
+++ b/emacs
@@ -36,7 +36,7 @@
   Run command in the scratch buffer               C-x C-e
 
 # Navigation ( backward / forward )
-  
+
   Character-wise                                  C-b , C-f
   Word-wise                                       M-b  , M-f
   Line-wise                                       C-p , C-n
diff --git a/ethtool b/ethtool
index 355e5c2c..a3439f29 100644
--- a/ethtool
+++ b/ethtool
@@ -1,6 +1,6 @@
 ---
 syntax: bash
-tags: [networking] 
+tags: [networking]
 ---
 # To show statistics for the selected interface:
 ethtool -S <interface>
diff --git a/ffmpeg b/ffmpeg
index 60d10ac9..f7d8cf03 100644
--- a/ffmpeg
+++ b/ffmpeg
@@ -39,5 +39,5 @@ cat mylist.txt
 file '/path/to/file1'
 file '/path/to/file2'
 file '/path/to/file3'
-    
+
 ffmpeg -f concat -safe 0 -i mylist.txt -c copy output.mp4
diff --git a/fzf b/fzf
index d872599d..7f5b5b28 100644
--- a/fzf
+++ b/fzf
@@ -19,7 +19,7 @@ fzf --preview "file {}"
 # Find files from find command and preview it with fzf
 find . -type f -name "*.txt" | fzf --preview "head {}"
 
-# Display border around fzf output 
+# Display border around fzf output
 fzf --border sharp
 
 # Output only selected files and pipe it to a file
diff --git a/go b/go
index fe9c14ee..3c8885ba 100644
--- a/go
+++ b/go
@@ -90,7 +90,7 @@ go test -v -run=^TestFooBar$/^Baz$ .
 go test -short ./...
 
 # Handy flag - don't run further tests after a failure.
-go test -failfast ./... 
+go test -failfast ./...
 
 
 # Test all module dependencies.
@@ -104,7 +104,7 @@ go test -run=^TestFooBar$ -count=500 .
 go fix ./...
 
 # Create a new Github issue for Go's standard library
-go bug 
+go bug
 
 
 # Running and Comparing Benchmarks
diff --git a/gpg b/gpg
index 11de2323..d4821493 100644
--- a/gpg
+++ b/gpg
@@ -159,11 +159,11 @@
     gpg -K
 
   Should show sec# instead of just sec.
-  
+
 # High-quality options for gpg for symmetric (secret key) encryption
-  This is what knowledgable people consider a good set of options for 
+  This is what knowledgable people consider a good set of options for
   symmetric encryption with gpg to give you a high-quality result.
-  
+
   gpg \
     --symmetric \
     --cipher-algo aes256 \
@@ -179,7 +179,7 @@
     --no-symkey-cache \
     --output somefile.gpg \
     somefile # to encrypt
-    
+
   gpg \
     --decrypt \
     --pinentry-mode loopback \
diff --git a/gyb b/gyb
index 2fe9f8ac..c5333f3d 100644
--- a/gyb
+++ b/gyb
@@ -1,7 +1,7 @@
 # To estimate the number and the size of all mails on youremail@gmail.com
 gyb --email youremail@gmail.com --action estimate
 
-# To backup from youremail@gmail.com to your local-folder 
+# To backup from youremail@gmail.com to your local-folder
 gyb --email youremail@gmail.com --action backup --local-folder "~/MyLocalFolder/"
 
 # To backup from youremail@gmail.com only important or starred emails to the
@@ -9,4 +9,4 @@ gyb --email youremail@gmail.com --action backup --local-folder "~/MyLocalFolder/
 gyb --email youremail@gmail.com --search "is:important OR is:starred"
 
 # To restore from your local-folder to youremail@gmail.com
-gyb --email youremail@gmail.com --action restore --local-folder "~/MyLocalFolder/" 
+gyb --email youremail@gmail.com --action restore --local-folder "~/MyLocalFolder/"
diff --git a/ifconfig b/ifconfig
index ed6c15f9..aa9e32bc 100644
--- a/ifconfig
+++ b/ifconfig
@@ -5,7 +5,7 @@ ifconfig <interface>
 ifconfig -a
 
 # To take down / up the wireless adapter:
-ifconfig wlan0 {up|down} 
+ifconfig wlan0 {up|down}
 
 # To set a static IP and netmask:
 ifconfig eth0 192.168.1.100 netmask 255.255.255.0
diff --git a/java b/java
index 403bd753..d87dfc79 100644
--- a/java
+++ b/java
@@ -25,7 +25,7 @@ OpenJDK 64-Bit Server VM (build 11.0.8+10-post-Ubuntu-0ubuntu120.04, mixed mode,
 java -Xms256m -Xmx2g -Xss1m -jar <filename.jar>
 
 # To use the classpath variable
-# It overrides the CLASSPATH of Environment variable but only for that session. 
+# It overrides the CLASSPATH of Environment variable but only for that session.
 # If you restart the application you need to again set the classpath variable.
 # You can use either: -classpath, --classpath or -cp
 java -classpath <classpath> -jar <filename.jar>
diff --git a/kitty b/kitty
index d56906f3..99037c45 100644
--- a/kitty
+++ b/kitty
@@ -25,12 +25,12 @@ ctrl+shift+,         - Move tab backward
 ctrl+shift+alt+t     - Set tab title
 
 # Fonts and clipboard
-ctrl+shift+c         - Copy to clipboard	    
+ctrl+shift+c         - Copy to clipboard	
 ctrl+shift+v         - Paste from clipboard	
 ctrl+shift+s         - Paste from selection	
 ctrl+shift+equal     - Increase font size	
 ctrl+shift+minus     - Decrease font size	
-ctrl+shift+backspace - Restore font size	    
+ctrl+shift+backspace - Restore font size	
 
 # Windows
 ctrl+shift+enter     - New window
@@ -44,7 +44,7 @@ ctrl+shift+`         - Move window to top
 ctrl+shift+f7        - Visually focus window
 ctrl+shift+f8        - Visually swap window
 # Focus specific window
-ctrl+shift+1, ctrl+shift+2 … ctrl+shift+0 
+ctrl+shift+1, ctrl+shift+2 … ctrl+shift+0
 
 # Open/select
 ctrl+shift+e         - Open URL
diff --git a/ls b/ls
index a19fe448..531688ba 100644
--- a/ls
+++ b/ls
@@ -17,7 +17,7 @@ ls -d */ <dir>
 ls -d .*/ */ <dir>
 
 # To display all files sorted by changed date, most recent first:
-ls -ltc 
+ls -ltc
 
 # To display files sorted by create time:
 ls -lt
diff --git a/markdown b/markdown
index 53b0d1c3..44b17472 100644
--- a/markdown
+++ b/markdown
@@ -37,7 +37,7 @@ Sub-bullets can be done with 2+ spaces or 1 tab
   a. Lettered  <-- there is mixed support for this format
 4. Fourth
   i. using roman numerals  <-- there is mixed support for this format
-  ii. more stuff 
+  ii. more stuff
 
 ## check list
 There is limited support for rendering check lists:
@@ -86,7 +86,7 @@ Assuming you have a heading called `# My First Heading` then link is the case-in
 Italic:
 *em* _em_
 
-Bold: 
+Bold:
 **strong** __strong__
 
 ~~strikethrough~~
@@ -98,8 +98,8 @@ The alignment applies to the table data, not the header.
 
 Left-aligned Stuff | Right-aligned Stuff | Center-aligned Stuff
 | :--- | ---: | :---:
-Some left stuff   | Some right stuff  | Some center stuff 
-Some left stuff   | Some right stuff  | Some center stuff 
+Some left stuff   | Some right stuff  | Some center stuff
+Some left stuff   | Some right stuff  | Some center stuff
 
 ## Special Characters in Tables
 First Header  | Second Header
diff --git a/multipass b/multipass
index 52f48733..9cd4b22e 100644
--- a/multipass
+++ b/multipass
@@ -1,5 +1,5 @@
 # List all options
-multipass 
+multipass
 
 # List existing VMs on your device
 multiplass list
diff --git a/mutt b/mutt
index 0c459459..3d5b7d23 100644
--- a/mutt
+++ b/mutt
@@ -1,6 +1,6 @@
 # Create new mailbox in IMAP
 	+ When located in mailbox list (c)
-		shift + C 
+		shift + C
 
 # Move multiple messages to folder (bulk operations)
 	
@@ -17,4 +17,4 @@
 		~A
 
 	3. It should mark all for deletion!
-	4. Conversely, you can do the same thing with UPPERCASE U to undelete multiple messages. 
+	4. Conversely, you can do the same thing with UPPERCASE U to undelete multiple messages.
diff --git a/openssl b/openssl
index 2a1470f3..983d2b02 100644
--- a/openssl
+++ b/openssl
@@ -13,7 +13,7 @@ openssl x509 -req -days 365 -in server.csr -signkey server.key -out server.crt
 openssl req -text -noout -in server.csr
 
 # To show certificate information for generated certificate
-openssl x509 -text -noout -in server.crt 
+openssl x509 -text -noout -in server.crt
 
 # To get the sha256 fingerprint of a certificate
 openssl x509 -in server.crt -noout -sha256 -fingerprint
@@ -30,12 +30,12 @@ openssl dhparam -outform PEM -out dhparams.pem 2048
 openssl s_client -connect 10.240.2.130:433
 
 # High-quality options for openssl for symmetric (secret key) encryption
-  
-This is what knowledgable people consider a good set of options for 
+
+This is what knowledgable people consider a good set of options for
 symmetric encryption with openssl to give you a high-quality result.
 Also, always remember that the result is only as good as the password
 you use. You must use a strong password otherwise encryption is meaningless.
-  
+
 openssl enc -e -aes-256-cbc \
   -salt \
   -pbkdf2 \
diff --git a/p4 b/p4
index d956f8ce..e6b55c71 100644
--- a/p4
+++ b/p4
@@ -1,7 +1,7 @@
 tags: [ vcs ]
 
 # To print details related to client and server configuration:
-p4 info 
+p4 info
 
 # To open a file and add it to depot:
 p4 add <filename>
diff --git a/port b/port
index 79fdac66..75ecab8f 100644
--- a/port
+++ b/port
@@ -71,14 +71,14 @@ port rdependents <name>
 # (Only works for currently installed ports.)
 port contents <name>
 
-# View a ports' notes, if any (these are usually displayed right after a port 
+# View a ports' notes, if any (these are usually displayed right after a port
 # is installed):
 port notes <name>
 
 # Print the path to a port within the ports tree:
 port dir <name>
 
-# Print the path to the archive used to activate a given port: 
+# Print the path to the archive used to activate a given port:
 # (Only works for currently installed ports)
 port location <name>
 
diff --git a/r2 b/r2
index 402a9168..1eb5761f 100644
--- a/r2
+++ b/r2
@@ -53,22 +53,22 @@
 # Basic Commands
 
 	; Command chaining: x 3;s+3;pi 3;s+3;pxo 4;
-    
+
 	| Pipe with shell commands: pd | less
-    
+
 	! Run shell commands: !cat /etc/passwd
-    
+
 	!! Escapes to shell, run command and pass output to radare buffer
     		
 		Note: 	The double exclamation mark tells radare to skip the plugin list to find an IO plugin handling this
 			command to launch it directly to the shell. A single one will walk through the io plugin list.
 
     	` Radare commands: wx `!ragg2 -i exec`
-    
+
 	~ grep
-    
+
 	~! grep -v
-    
+
 	~[n] grep by columns afl~[0]
 
     	~:n grep by rows afl~:0
@@ -96,13 +96,13 @@
 	.. repeats last commands (same as enter \n)
     	
 	( Used to define and run macros
-    
+
 	$ Used to define alias
-    
+
 	$$: Resolves to current address
     	
 	Offsets (@) are absolute, we can use $$ for relative ones @ $$+4
-    
+
 	? Evaluate expression
 	+-------------------------------------------------------------------
 
@@ -113,33 +113,33 @@
 	+-------------------------------------------------------------------
 
 	?$? Help for variables used in expressions
-    
+
 	$$: Here
-    
+
 	$s: File size
-    
+
 	$b: Block size
-    
+
 	$l: Opcode length
-    
+
 	$j: When $$ is at a jmp, $j is the address where we are going to jump to
-    
+
 	$f: Same for jmp fail address
 	
 	$m: Opcode memory reference (e.g. mov eax,[0x10] => 0x10)
-    
+
 	??? Help for ? command
-    
+
 	?i Takes input from stdin. Eg ?i username
-    
+
 	?? Result from previous operations
-    
+
 	?s from to [step]: Generates sequence from to every
-    
+
 	?p: Get physical address for given virtual address
-    
+
 	?P: Get virtual address for given physical one
-    
+
 	?v Show hex value of math expr
 
 	+-------------------------------------------------------------------
@@ -150,7 +150,7 @@
 	+-------------------------------------------------------------------
 
 	?l str: Returns the length of string
-    
+
 	@@: Used for iteractions
 
 	+-------------------------------------------------------------------
@@ -307,7 +307,7 @@
     		wow 11223344 @102!10
         		write looped value from 102 to 102+10
         		0x00000066  1122 3344 1122 3344 1122 0000 0000 0000
-    
+
 	wox 0x90
         	XOR the current block with 0x90. Equivalent to wox 0x90 $$!$b (write from current position, a whole block)
     	
@@ -646,7 +646,7 @@
 
 	-S: binary to hex (for files)
 	
-	-N: pack an integer 
+	-N: pack an integer
 		rax2 -N 0x1234 # \x34\x12\x00\x00
 
 # rahash2 - Entropy, hashes and checksums
@@ -681,7 +681,7 @@
 	+-------------------------------------------------------------------
 
 # rasm2 - Assembly/Disasembly
- 
+
 	-L: Supported architectures
 
 	-a arch instruction: Sets architecture
@@ -844,7 +844,7 @@
 		https://github.com/jpenalbae/r2-scripts
 # Parsing ELF
 	
-	!!! open with r2 -nn 
+	!!! open with r2 -nn
 
 	+ Parse 9 program headers (elf_phdr) from curr. seek plus offset 0x40 with temporary block size 0x200 in less mode (~..)
 
diff --git a/rmdir b/rmdir
index a5dae1ed..8c63299b 100644
--- a/rmdir
+++ b/rmdir
@@ -1,5 +1,5 @@
 # Command syntax:
-rmdir [option] directory_name 
+rmdir [option] directory_name
 
 # Outputs a message that the directory is being removed:
 rmdir -v directory_name
diff --git a/sar b/sar
index 3d798931..226caadc 100644
--- a/sar
+++ b/sar
@@ -8,7 +8,7 @@ sar -u 2 5
 # Report the CPU usage for a given core:
 sar -P 1 1 3
 
-# Reports the amount of memory used, amount of memory free, available cache, available buffers every 1 second, 3 times: 
+# Reports the amount of memory used, amount of memory free, available cache, available buffers every 1 second, 3 times:
 sar -r 1 3
 
 # Reports statistics on swapping:
diff --git a/sha256sum b/sha256sum
index 11e40d43..42d30b7a 100644
--- a/sha256sum
+++ b/sha256sum
@@ -15,15 +15,15 @@ echo -n "Hello World" | sha256sum
 # To verify if a hash (checksum) is correct if a hash-file is provided:
 # sha256sum will go thru the files listed in <file-with-list-of-checksums>.
 # For each file it will look if it exists. If not, it will print an error.
-# If it does exist it will compute the checksum and compare it with the hash 
+# If it does exist it will compute the checksum and compare it with the hash
 # provided in the <file-with-list-of-checksums>. If they match (good!) it
-# will print "filename: OK". 
-# If they don't match (warning, you might have been hacked), it will 
+# will print "filename: OK".
+# If they don't match (warning, you might have been hacked), it will
 # print "filename: FAILED".
 sha256sum --check <file-with-list-of-checksums>
 
 # Same as above (but ignore missing files):
-# This tells you if your file is an exact copy (OK) or has been 
+# This tells you if your file is an exact copy (OK) or has been
 # tampered with (FAILED) without bothering you with warnings about
 # missing files
 sha256sum --check --ignore-missing <file-with-list-of-checksums>
diff --git a/socat b/socat
index 2d28600e..62fbbd18 100644
--- a/socat
+++ b/socat
@@ -12,9 +12,9 @@ socat -x tcp-listen:3180,fork -
 
 # practical examples:
 
-# complete real working http-example:  
+# complete real working http-example:
 #  (sleep is necessary to prevent socat closing socket before data received)
-(echo -e "GET / HTTP/1.1\r\nHost: butzel.info\r\n\r" && sleep 1) \ 
+(echo -e "GET / HTTP/1.1\r\nHost: butzel.info\r\n\r" && sleep 1) \
 | socat tcp4:butzel.info:80 -
 
 # http to httpS 'Proxy' (for an webserver without TLS-Support)
diff --git a/systemctl b/systemctl
index ae0b8b74..9313c459 100644
--- a/systemctl
+++ b/systemctl
@@ -55,7 +55,7 @@ journalctl -b -u foo.service
 # To list the dependencies of a service:
 # when no service name is specified, lists the dependencies of default.target
 # add -all to expand dependencies recursively
-systemctl list-dependencies foo.service 
+systemctl list-dependencies foo.service
 
 # To see low level details of a service settings on the system:
 systemctl show foo.service
diff --git a/terraform b/terraform
index 15863a0a..6d6b69f9 100644
--- a/terraform
+++ b/terraform
@@ -21,10 +21,10 @@ terraform apply
 
 terraform destroy
 
-# To upgrade your [Terraform providers](https://www.terraform.io/docs/providers/index.html), which are distributed separately from the Terraform binary. 
+# To upgrade your [Terraform providers](https://www.terraform.io/docs/providers/index.html), which are distributed separately from the Terraform binary.
 
 terraform init -upgrade
 
-# To upgrade your [Terraform modules](https://www.terraform.io/docs/modules/index.html), which are distributed separately from the Terraform binary. 
+# To upgrade your [Terraform modules](https://www.terraform.io/docs/modules/index.html), which are distributed separately from the Terraform binary.
 
 terraform get -update
diff --git a/tmux b/tmux
index 80a90a33..7a924895 100644
--- a/tmux
+++ b/tmux
@@ -8,7 +8,7 @@ Ctrl-b d
 tmux attach
 
 # To detach an already attached session (great if you are moving devices with different screen resolutions):
-tmux attach -d 
+tmux attach -d
 
 # To display session:
 tmux ls
diff --git a/tr b/tr
index 13a9b80c..825c0ec1 100644
--- a/tr
+++ b/tr
@@ -1,22 +1,22 @@
 # To replace : with a new line:
 echo $PATH | tr ":" "\n"
-echo $PATH | tr -t ":" \n 
+echo $PATH | tr -t ":" \n
 
 # To remove all occurance of "ab":
-echo aabbcc | tr -d "ab"         # ouput: cc
+echo aabbcc | tr -d "ab" # ouput: cc
 
 # To complement "aa":
 # ("Complement" means to keep "aa", and replace all others with "x")
-echo aabbccd | tr -c "aa" x       # output: aaxxxxx (no newline)
+echo aabbccd | tr -c "aa" x # output: aaxxxxx (no newline)
 
 # To complement "ab\n":
-echo aabbccd | tr -c "ab\n" x    #output: aabbxxx (with newline)
+echo aabbccd | tr -c "ab\n" x #output: aabbxxx (with newline)
 
 # To preserve all alpha(-c). ":-[:digit:] etc" will be translated to "\n". sequeeze mode:
-echo $PATH | tr -cs "[:alpha:]" "\n" 
+echo $PATH | tr -cs "[:alpha:]" "\n"
 
 # To convert an ordered list to an unordered list:
 echo "1. /usr/bin\n2. /bin" | tr -cs " /[:alpha:]\n" "+"
 
 # To remove all NULLs:
-tr < file-with-nulls -d '\000' > file-without-nulls
+tr <file-with-nulls -d '\000' >file-without-nulls
diff --git a/udisksctl b/udisksctl
index c4d5233f..176a2f18 100644
--- a/udisksctl
+++ b/udisksctl
@@ -8,4 +8,4 @@ udisksctl mount --block-device <device>
 udisksctl unmount --block-device <device>
 
 # To get help:
-udisksctl help 
+udisksctl help
diff --git a/yaourt b/yaourt
index 4d742f24..77037216 100644
--- a/yaourt
+++ b/yaourt
@@ -3,7 +3,7 @@ tags: [ packaging ]
 ---
 # All pacman commands are working the same way with yaourt.
 # Just check the pacman cheatsheet.
-# For instance, to install a package: 
+# For instance, to install a package:
 pacman -S <package>
 yaourt -S <package>
 # The difference is that yaourt will also query the Arch User Repository,
@@ -19,7 +19,7 @@ yaourt <package>
 # svn, hg...)
 yaourt -Suya --devel
 
-# For all of the above commands, if you want yaourt to stop asking constantly for confirmations, 
+# For all of the above commands, if you want yaourt to stop asking constantly for confirmations,
 use the option --noconfirm
 
 # To build <package> from source:
diff --git a/yum b/yum
index b86ed33e..c0153491 100644
--- a/yum
+++ b/yum
@@ -27,7 +27,7 @@ yum repolist
 
 # List packages matching <phrase>:
 yum list <phrase>
- 
+
 # To download the source RPM for a package:
 yumdownloader --source <package>
 

From 31f7dd3a137df9795fdba20791b89e1467b85582 Mon Sep 17 00:00:00 2001
From: vanvuvuong <kris@DongTD-D8>
Date: Wed, 4 Oct 2023 14:23:27 +0700
Subject: [PATCH 2/9] remove unesscessary space

---
 chmod | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chmod b/chmod
index 3af8ad6a..48fe5de6 100644
--- a/chmod
+++ b/chmod
@@ -2,7 +2,7 @@
 chmod a+x myscript.sh
 
 # Set user to read/write/execute, group/global to read only (myscript.sh), symbolic mode
-chmod u=rwx, go=r myscript.sh 
+chmod u=rwx, go=r myscript.sh
 
 # Remove write from user/group/global (myscript.sh), symbolic mode
 chmod a-w myscript.sh

From 2095369764c390b2018bbf6f2c1b1b8f0f550b22 Mon Sep 17 00:00:00 2001
From: vanvuvuong <kris@DongTD-D8>
Date: Wed, 4 Oct 2023 15:24:30 +0700
Subject: [PATCH 3/9] update based on old community PR

---
 alias    |  5 +++++
 ffmpeg   |  3 +++
 find     |  3 ---
 iptables |  2 ++
 pandoc   | 13 +++++++++----
 tmux     |  6 ++++++
 xargs    | 16 ++++++++++++----
 7 files changed, 37 insertions(+), 11 deletions(-)

diff --git a/alias b/alias
index 76eb813b..c5604619 100644
--- a/alias
+++ b/alias
@@ -6,3 +6,8 @@ alias ll='ls -l'
 
 # To remove alias:
 unalias ll
+
+# Add permanent aliasses
+# bash: ~/.bashrc
+# fish: ~/.config/fish/config.fish
+# zsh: ~/.zshrc
\ No newline at end of file
diff --git a/ffmpeg b/ffmpeg
index f7d8cf03..c58fe1d5 100644
--- a/ffmpeg
+++ b/ffmpeg
@@ -41,3 +41,6 @@ file '/path/to/file2'
 file '/path/to/file3'
 
 ffmpeg -f concat -safe 0 -i mylist.txt -c copy output.mp4
+
+# To change INPUT's FPS to 30 and save as OUTPUT (https://trac.ffmpeg.org/wiki/ChangingFrameRate)
+ffmpeg -i <in-video.ext> -filter:v fps=fps=30 <out-video.ext>
\ No newline at end of file
diff --git a/find b/find
index a02b1aa7..465a97bf 100644
--- a/find
+++ b/find
@@ -61,10 +61,7 @@ find . -type f -samefile MY_FILE_HERE 2>/dev/null
 find . -type f -exec chmod 644 {} \;
 
 # To find all files changed in last 2 days:
-find . -type f -ctime -48h
 find . -type f -ctime -2
-# Or created in last 2 days:
-find . -type f -Btime -2
 # Or accessed in last 2 days:
 find . -type f -atime -2
 
diff --git a/iptables b/iptables
index 2da02d8a..182afa8d 100644
--- a/iptables
+++ b/iptables
@@ -23,6 +23,8 @@ iptables -A INPUT -i eth0 -p tcp --dport 902 -j REJECT --reject-with icmp-port-u
 # To add a comment to a rule:
 iptables ... -m comment --comment "This rule is here for this reason"
 
+# To only allow ssh on the server and block all other ports:
+iptables --append <INPUT> --protocol tcp --dport 22 --jump <ACCEPT> 
 
 # To remove or insert a rule:
 # 1) Show all rules
diff --git a/pandoc b/pandoc
index 64356c53..de076386 100644
--- a/pandoc
+++ b/pandoc
@@ -1,5 +1,10 @@
-# Convert HTML file to Markdown
-pandoc -f html -t markdown  -i <HTML input file> -o  <markdown output file>
+---
+syntax: bash
+tags: [converters, markdown]
+---
 
-# Convert Markdown file to HTML
-pandoc -f markdown -t html -i <markdown input file>  -o <HTML output file>
+# Convert HTML file to Markdown:
+pandoc --from=html --to=markdown --output=<path/to/markdown_output_file> <path/to/html_input_file>
+
+# Convert Markdown file to HTML:
+pandoc --from=markdown --to=html --output=<path/to/html_output_file> <path/to/markdown_input_file>
\ No newline at end of file
diff --git a/tmux b/tmux
index 7a924895..b8cf9649 100644
--- a/tmux
+++ b/tmux
@@ -53,3 +53,9 @@ Ctrl-b "
 
 # To swap windows:
 Ctrl-b :swap-window -s [0-9] -t [0-9]
+
+# To copy/paste
+1. Enter 'copy mode' by pressing CTRL+b, [.
+2. Use the arrow keys to go to the position from where you want to start copying. Press CTRL+SPACE to start copying.
+3. Use arrow keys to go to the end of text you want to copy. Press ALT+w or CTRL+w to copy into Tmux buffer.
+4. Press CTRL+b, ] to paste in a possibly different Tmux pane/window.
\ No newline at end of file
diff --git a/xargs b/xargs
index b4a3ace6..10eaa42b 100644
--- a/xargs
+++ b/xargs
@@ -1,8 +1,16 @@
-# To Find all file name ending with .pdf and remove them
-find -name *.pdf | xargs rm -rf
+---
+syntax: bash
+---
 
-# if file name contains spaces you should use this instead
-find -name *.pdf | xargs -I{} rm -rf '{}'
+# Find all files whose names end with .pdf and remove them:
+find -type f -name '*.pdf' | xargs rm -f
+
+# If file names contain special characters, you should use this instead.
+# Special characters include spaces, quotes, parenthesis, unicode, etc:
+find -type f -name '*.pdf' -print0  | xargs --null rm -f
+
+# Run 4 `rm` commands in parallel
+find -name '*.pdf' | xargs --max-procs=4 rm -f
 
 # Will show every .pdf like:
 #	&toto.pdf=

From 69e5e023d51206ea6a68eb9c84cb8fb6a6bc58b9 Mon Sep 17 00:00:00 2001
From: vanvuvuong <kris@DongTD-D8>
Date: Wed, 4 Oct 2023 15:24:50 +0700
Subject: [PATCH 4/9] add new cheat sheet based on community PR;

---
 aptss                    | 42 ++++++++++++++++++
 helix                    | 57 ++++++++++++++++++++++++
 losetup                  | 12 +++++
 prqlc                    | 16 +++++++
 pstree                   | 14 ++++++
 range                    | 95 ++++++++++++++++++++++++++++++++++++++++
 ufw                      | 28 ++++++++++++
 vim-plugins/vim-surround | 44 +++++++++++++++++++
 watch                    |  2 +
 9 files changed, 310 insertions(+)
 create mode 100644 aptss
 create mode 100644 helix
 create mode 100644 losetup
 create mode 100644 prqlc
 create mode 100644 pstree
 create mode 100644 range
 create mode 100644 ufw
 create mode 100644 vim-plugins/vim-surround
 create mode 100644 watch

diff --git a/aptss b/aptss
new file mode 100644
index 00000000..1a90dc74
--- /dev/null
+++ b/aptss
@@ -0,0 +1,42 @@
+---
+tags: [ packaging ]
+---
+# To find packages matching <phrase>:
+aptss search <phrase>
+
+# To show information on a package:
+aptss show <package>
+
+# To fetch package list:
+aptss update
+
+# To download and install the updates and (UNLIKE aptss-get) install new necessary packages:
+aptss upgrade
+
+# To download and install the updates AND install new necessary packages
+# AND remove packages that stand in the way of the upgrade - use with caution:
+aptss dist-upgrade
+
+# To perform a full system upgrade:
+aptss update && aptss upgrade
+
+# To install package(s):
+aptss install <package>...
+
+# To uninstall package(s):
+aptss remove <package>...
+
+# To remove automatically all unused packages:
+aptss autoremove
+
+# To list dependencies of a package:
+aptss depends <package>...
+
+# To remove packages and delete their config files:
+aptss purge <package>...
+
+# To list all packages installed:
+aptss list --installed
+
+---
+aptss is a wrapper of apt-fast and apt in order to accelerate package installation and download for spark app store and linuxdeepin
\ No newline at end of file
diff --git a/helix b/helix
new file mode 100644
index 00000000..699a9409
--- /dev/null
+++ b/helix
@@ -0,0 +1,57 @@
+---
+
+tags:
+  - helix
+
+---
+
+# File management
+
+:reload         reload file
+:q              quit
+:q!             quit without saving changes
+:w              write file
+:w {file}       write new file
+:x              write file and exit
+
+# Movement
+
+    k
+  h   l         basic motion
+    j
+
+gg              go to first line in file
+G               go to end of file
+
+# Text selection
+
+v               enter selection mode
+w               to next word start
+W               to next whitespace
+e               to next word end
+E               to next whitespace-delimited word end
+b               to previous start of word
+B               to provious start of whitespace-delimited word
+x               whole line
+
+# Insertion
+
+a               append after the cursor
+A               append at the end of the line
+i               insert before the cursor
+I               insert at the beginning of the line
+o               create a new line under the cursor
+O               create a new line above the cursor
+R               enter insert mode but replace instead of inserting chars
+c               enter insert mode, removing char under cursor
+
+# Editing
+
+u               undo
+xy              yank (copy) a line
+v{motion}y      yank text that {motion} moves over
+p               paste after cursor
+P               paste before cursor
+d               delete a character
+xd              delete a line
+v{motion}d      delete text that {motion} moves over
\ No newline at end of file
diff --git a/losetup b/losetup
new file mode 100644
index 00000000..d6a42766
--- /dev/null
+++ b/losetup
@@ -0,0 +1,12 @@
+---
+tags: [ mount loop ]
+---
+
+# Output available loop device
+$ losetup -f
+
+# Attach an image file with partitioning table on available loop device
+$ losetup "$(losetup -f)" path/to/file.img
+
+# Detatch loop device
+$ losetup -d /dev/loopX
\ No newline at end of file
diff --git a/prqlc b/prqlc
new file mode 100644
index 00000000..3d701aa2
--- /dev/null
+++ b/prqlc
@@ -0,0 +1,16 @@
+# PRQL is a modern language for transforming data — a simple, powerful, pipelined SQL replacement.
+
+# Run the compiler interactively:
+prqlc compile
+
+# Compile a .prql file standard output:
+prqlc compile <file.prql>
+
+# Compile a .prql file to a .sql file:
+prqlc compile <in-file.prql> <out-file.sql>
+
+# Compile a query:
+echo "from employees | filter has_dog | select salary" | prqlc compile
+
+# Watch a directory and compile on file modification:
+prqlc watch <dir>
\ No newline at end of file
diff --git a/pstree b/pstree
new file mode 100644
index 00000000..173b906d
--- /dev/null
+++ b/pstree
@@ -0,0 +1,14 @@
+# To show one tree, starting at pid 1:
+pstree
+
+# To show descendents of <pid>:
+pstree <pid>
+
+# To show parents and descendents of <pid>:
+pstree -u <pid>
+
+# To use utf-8 'graphics' for trees when calling with [args]:
+pstree -g 2 <args>..
+
+# To show tree for processes owned by <user>:
+pstree -u <user>
\ No newline at end of file
diff --git a/range b/range
new file mode 100644
index 00000000..b3ea9878
--- /dev/null
+++ b/range
@@ -0,0 +1,95 @@
+---
+syntax: bash
+tags: [file manager]
+---
+
+# Ranger Cheatsheet
+
+# A VIM-inspired filemanager for the console
+
+# https://github.com/ranger/ranger
+
+# General
+
+ranger start Ranger
+
+Q quit Ranger
+R reload current directory
+? Ranger Manpages / Shortcuts
+: execute Range Command
+! execute Shell Command
+S run the terminal in your current ranger window (exit to go back to ranger)
+
+# Movement
+
+k up
+j down
+h parent directory
+l subdirectory
+gg go to top of list
+G go t bottom of list
+J half page down
+K half page up
+H history Back
+L history Forward
+~ switch the view
+
+# File Operations
+
+<Enter> open file
+r open file with
+i read file
+z open settings
+zh set show_hidden_files
+zp set preview_files
+zz console filter :filter
+zd set sort_directories_first
+o change sort order
+<backspace> toggle show_hidden_files
+cw rename file
+a rename-append
+I rename-overwrite
+yy yank / copy
+dd cut
+pp paste
+/ search for files :search
+n next match
+N prev match
+.f filter stack on type 'file'
+.d filter stack on type 'directory'
+.l filter stack on type 'link'
+.c clear filter
+<space> mark files
+v mark files all=True toggle=True
+dD delete
+<delete> delete
+Mp show file permissions
+chmod nnn change file permissions
+nnn= change file permissions
+dc show cummulative size
+
+# Tabs
+
+gn tab_new
+gc tab_close
+gt tab_move 1
+gT tab_move -1
+
+# File substituting
+
+%f substitute highlighted file
+%d substitute current directory
+%s substitute currently selected files
+%t substitute currently tagged files
+
+# Example for substitution
+
+:bulkrename %s
+
+# Marker
+
+m+<letter> create Marker
+um+<letter> delete Marker
+'+<letter> go to Marker
+t tag a file with an \*
+t"<any> tag a file with your desired mark
diff --git a/ufw b/ufw
new file mode 100644
index 00000000..2baa153b
--- /dev/null
+++ b/ufw
@@ -0,0 +1,28 @@
+# To check the status of the firewall:
+ufw status
+
+# To check the status with more details:
+ufw status verbose
+
+# To allow a port on the firewall by its name:
+ufw allow <PORT-NAME>
+ufw allow http
+ufw allow https
+ufw allow ssh
+ufw allow ftp
+
+# To allow a port on the firewall by its number:
+ufw allow <port-number>
+ufw allow 5432
+
+# To delete an allowed port rule on the firewall:
+ufw delete allow 5432
+
+# To block a port on the firewall:
+ufw deny 21
+
+# To enable the firewall and activate the rules:
+ufw enable
+
+# To disable the firewall and deactivate the rules:
+ufw disable
\ No newline at end of file
diff --git a/vim-plugins/vim-surround b/vim-plugins/vim-surround
new file mode 100644
index 00000000..3b4186e5
--- /dev/null
+++ b/vim-plugins/vim-surround
@@ -0,0 +1,44 @@
+---
+tags: [ vim,vim-plugins ]
+---
+
+# https://github.com/tpope/vim-surround
+
+# To surround with the specified character:
+`ys{motion}{character}`
+ex: ysiw)		foo => (foo)
+	ysiw(		foo => ( foo )
+	ysiw]		foo => [foo]
+	ysiw[		foo => [ foo ]
+	ysiw<p>		foo => <p>foo</p>
+	yss}		foo => {foo}	# surround the whole line with {} (ignores leading whitespace)
+	ySS}		foo => {
+							foo # indent the line and place it on a new line
+					   }
+
+# To change the current surrounding character:
+`cs{old}{new}`
+ex: cs([		(foo) => [foo]
+	cs[(		[foo] => (foo)
+	cs"<q>		"foo" => <q>foo</q>
+
+# To delete the current surrounding:
+`ds{character}` # delete the surrounding character
+`dst` # delete the surrounding HTML tag
+ex: ds(		(foo) => foo
+	ds[		[foo] => foo
+	dst		<p>foo</p> => foo
+
+# To surround with function:
+`ysWf{function_name}<CR>`
+ex: ysWfprint<CR>	"foo" => print("foo")
+	ysWFprint<CR>	"foo" => print( "foo" )
+
+# Legend
+
+ys = "you surround"
+b = ()
+B = {}
+r = []
+a = <>
+t = HTML tag
\ No newline at end of file
diff --git a/watch b/watch
new file mode 100644
index 00000000..e9317087
--- /dev/null
+++ b/watch
@@ -0,0 +1,2 @@
+# To watch a command and update the output every 2 seconds:
+watch <command>
\ No newline at end of file

From bf0acd77abca572210b1fed664bc77e74ec62f70 Mon Sep 17 00:00:00 2001
From: vanvuvuong <kris@DongTD-D8>
Date: Wed, 4 Oct 2023 15:29:06 +0700
Subject: [PATCH 5/9] update readme

---
 .github/README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/README.md b/.github/README.md
index efd77982..d028d413 100644
--- a/.github/README.md
+++ b/.github/README.md
@@ -1,6 +1,6 @@
 cheatsheets
 ===========
-This repository contains community-sourced cheatsheets to be used with
+This repository is fork of [cheatsheets][] cause the old repo has no update for long time. It contains community-sourced cheatsheets to be used with
 [cheat][] and similar applications.
 
 ### Format ###
@@ -36,3 +36,4 @@ Cheatsheets are licensed under [Creative Commons CC0 1.0][cc0]. See
 [cc0]: https://creativecommons.org/publicdomain/zero/1.0/legalcode
 [cheat]:  https://github.com/cheat/cheat
 [docopt]: http://docopt.org
+[cheatsheets]: https://github.com/cheat/cheatsheets
\ No newline at end of file

From 5aefed4f110a8818232d184748a4aae011fa0404 Mon Sep 17 00:00:00 2001
From: vanvuvuong <kris@DongTD-D8>
Date: Thu, 21 Dec 2023 10:49:23 +0700
Subject: [PATCH 6/9] update command option

---
 find | 1 +
 ls   | 3 +++
 ss   | 3 +++
 su   | 3 +++
 4 files changed, 10 insertions(+)

diff --git a/find b/find
index 465a97bf..2a05cf5d 100644
--- a/find
+++ b/find
@@ -32,6 +32,7 @@ find ./path/ -name '*.txt' -exec cat '{}' \;
 
 # To find files with extension '.txt' and look for a string into them:
 find ./path/ -name '*.txt' | xargs grep 'string'
+find ./path/ -name '*.txt' -exec grep -nrH 'string' {} \;
 
 # To find files with size bigger than 5 Mebibyte and sort them by size:
 find . -size +5M -type f -print0 | xargs -0 ls -Ssh | sort -z
diff --git a/ls b/ls
index 531688ba..3a703833 100644
--- a/ls
+++ b/ls
@@ -31,3 +31,6 @@ ls -1
 
 # To show all the subtree files (Recursive Mode):
 ls -R
+
+# To ....
+ls -lhta
\ No newline at end of file
diff --git a/ss b/ss
index f4da8cc7..1bf57880 100644
--- a/ss
+++ b/ss
@@ -11,6 +11,9 @@ Args
 # show all listening tcp sockets including the corresponding process
 ss -tlp
 
+# show all listening tcp sockets including the corresponding process, netid
+ss -tulp
+
 # show all sockets connecting to 192.168.2.1 on port 80
 ss -t dst 192.168.2.1:80
 
diff --git a/su b/su
index 286941ce..49dafe91 100644
--- a/su
+++ b/su
@@ -1,2 +1,5 @@
 # To switch to another user account:
 su <user>
+
+# To switch to another user - inherit that user's bash configuration
+su - <user>
\ No newline at end of file

From 417e2be3e5a7544b91c8a0d42eb6931e22e1d673 Mon Sep 17 00:00:00 2001
From: vanvuvuong <kris@DongTD-D8>
Date: Thu, 21 Dec 2023 11:01:20 +0700
Subject: [PATCH 7/9] add pdfgrep

---
 pdfgrep | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 pdfgrep

diff --git a/pdfgrep b/pdfgrep
new file mode 100644
index 00000000..5ddf5cb4
--- /dev/null
+++ b/pdfgrep
@@ -0,0 +1,11 @@
+# search word in pdf file:
+pdfgrep "keyword" file-name.pdf
+
+# search work in multiple pdf files on multiple folders:
+pdfgrep -R "keyword" storage-folder/*
+
+# show page number & filename
+pdfgrep -RHn "keyword" storage-folder/*
+
+# search words with regular expression
+pdfgrep -RHnp "key...." storage-folder/*
\ No newline at end of file

From f2793477a8a5e53b50d2da1a732b6d52acc5c137 Mon Sep 17 00:00:00 2001
From: vanvuvuong <kris@DongTD-D8>
Date: Fri, 22 Mar 2024 17:39:33 +0700
Subject: [PATCH 8/9] update README, TODO list, docker & git

---
 .github/README.md |  3 +++
 TODO.md           |  5 +++++
 docker            | 26 +++++++++++++++++++-------
 git               |  6 ++++++
 4 files changed, 33 insertions(+), 7 deletions(-)
 create mode 100644 TODO.md

diff --git a/.github/README.md b/.github/README.md
index d028d413..ac54e35c 100644
--- a/.github/README.md
+++ b/.github/README.md
@@ -27,6 +27,9 @@ parameter placeholders. In edge-cases where that syntax may cause confusion, it
 is permissible to use placeholder values (`foo.txt`, `example.com`, etc.) as
 necessary.
 
+### TODO ###
+See [here](../TODO.md)
+
 ### License ###
 Cheatsheets are licensed under [Creative Commons CC0 1.0][cc0]. See
 [LICENSE.txt][] for the full license text.
diff --git a/TODO.md b/TODO.md
new file mode 100644
index 00000000..208f8cb6
--- /dev/null
+++ b/TODO.md
@@ -0,0 +1,5 @@
+# TODO:
+
+- fallocate
+- ftp, lftp
+- hostname
diff --git a/docker b/docker
index 178262f3..7433343b 100644
--- a/docker
+++ b/docker
@@ -4,6 +4,9 @@ docker -d
 # To build a docker image:
 docker build -t <image-tag-name> <path-of-Dockerfile>
 
+# To build a docker image with specific dockerfile name:
+docker build -t <image-tag-name> -f <path-and-name-of-dockerfile> <path-of-Dockerfile>
+
 # To start a container with an interactive shell:
 docker run -ti <image-name> /bin/bash
 
@@ -13,6 +16,9 @@ docker run -d <image-name>
 # To "shell" into a running container (docker-1.3+):
 docker exec -ti <container-name> bash
 
+# To exec some command inside container:
+docker exec <container-name> ping 8.8.8.8
+
 # To inspect a running container:
 docker inspect <container-name> (or <container-id>)
 
@@ -22,8 +28,11 @@ docker inspect --format {{.State.Pid}} <container-name-or-id>
 # To list (and pretty-print) the current mounted volumes for a container:
 docker inspect --format='{{json .Volumes}}' <container-id> | python -mjson.tool
 
-# To copy files/folders between a container and your host:
-docker cp foo.txt mycontainer:/foo.txt
+# To copy a file from the running container to host mechine:
+docker cp <container-id>:<path/to/file> <host/copy/path>
+
+# To copy a file from host mechine to the running container:
+docker cp <host/copy/path> <container-id>:<path/to/file>
 
 # To list currently running containers:
 docker ps
@@ -31,6 +40,9 @@ docker ps
 # To list all containers:
 docker ps -a
 
+# To list all container in format: Name, Image, Status, Port
+docker container ls -a --format "table {{.Names}}\t{{.Image}}\t{{.Status}}\t{{.Ports}}"
+
 # To remove all stopped containers:
 docker container prune
 
@@ -46,6 +58,9 @@ docker image ls -q
 # To remove all untagged images:
 docker rmi $(docker images | grep "^<none>" | awk '{print $3}')
 
+# To remove all images:
+for image in $(docker image ls --format "table {{.Repository}}:{{.Tag}}"); do docker image rm -f $image ; done
+
 # To remove all volumes not used by at least one container:
 docker volume prune
 
@@ -97,8 +112,5 @@ docker run -v <volume-name>:<folder-path-in-container> <image>
 # To link current folder between host and container for development:
 docker run <image-name> -v $(pwd):<folder-path-in-container> <image>
 
-# To copy a file from the running container to host mechine:
-docker cp <container-id>:<path/to/file> <host/copy/path>
-
-# To copy a file from host mechine to the running container:
-docker cp <host/copy/path> <container-id>:<path/to/file>
+# To clean-up docker environment (remove all images, unused containers, volumes, networks)
+docker system prune -af
\ No newline at end of file
diff --git a/git b/git
index 15a88286..e59a3c58 100644
--- a/git
+++ b/git
@@ -14,6 +14,9 @@ git config --global color.ui true
 # To stage all changes for commit:
 git add --all
 
+# To unstage some changes in file/folder (Undo `git add` command):
+git reset file-name/folder-name
+
 # To stash changes locally, this will keep the changes in a separate changelist
 # called stash and the working directory is cleaned. You can apply changes
 # from the stash anytime
@@ -54,6 +57,9 @@ git filter-branch --env-filter \
 # To remove staged and working directory changes:
 git reset --hard
 
+# To go 1 commits back & keep staged changes:
+git reset --soft HEAD~1
+
 # To go 2 commits back:
 git reset --hard HEAD~2
 

From f6949f104b781a320d95a36fcadf3f80f65362f7 Mon Sep 17 00:00:00 2001
From: vanvuvuong <kris@DongTD-D8>
Date: Wed, 3 Apr 2024 10:14:51 +0700
Subject: [PATCH 9/9] update mv, top, for & TODO.md list

---
 TODO.md |  2 ++
 for     | 24 +++++++++++-------------
 mv      |  2 +-
 top     | 23 ++++++++++-------------
 4 files changed, 24 insertions(+), 27 deletions(-)

diff --git a/TODO.md b/TODO.md
index 208f8cb6..cd07bf28 100644
--- a/TODO.md
+++ b/TODO.md
@@ -3,3 +3,5 @@
 - fallocate
 - ftp, lftp
 - hostname
+- htop
+- locate
\ No newline at end of file
diff --git a/for b/for
index e9309eb7..fe362e51 100644
--- a/for
+++ b/for
@@ -1,38 +1,36 @@
 # basic loop
-for i in 1 2 3 4 5 6 7 8 9 10
-do
+for i in 1 2 3 4 5 6 7 8 9 10; do
   echo $i
 done
 
 # loop ls command results
-for var in `ls -alF`
-do
+for var in $(ls -alF); do
   echo $var
 done
 
 # loop over all the JPG files in the current directory
-for jpg_file in *.jpg
-do
+for jpg_file in *.jpg; do
   echo $jpg_file
 done
 
 # loop specified number of times
-for i in `seq 1 10`
-do
+for i in $(seq 1 10); do
   echo $i
 done
 
 # same as above, but as one-liner
-for i in `seq 1 10`; do echo $i; done
+for i in $(seq 1 10); do echo $i; done
 
 # loop specified number of times: the C/C++ style
-for ((i=1;i<=10;++i))
-do
+for ((i = 1; i <= 10; ++i)); do
   echo $i
 done
 
 # loop specified number of times: the brace expansion
-for i in {1..10}
-do
+for i in {1..10}; do
   echo $i
 done
+
+# loop array of strings
+string=("a" "b")
+for char in "${string[@]}"; do echo "$char"; done
diff --git a/mv b/mv
index 2ff826fe..278fee15 100644
--- a/mv
+++ b/mv
@@ -14,4 +14,4 @@ mv -i <src> <dest>
 mv -n <src> <dest>
 
 # To move listed file(s) to a directory
-mv -t <dest> <file>...
+mv -t <dest> <file1> <file2>
diff --git a/top b/top
index 022fa66e..6a8b9a76 100644
--- a/top
+++ b/top
@@ -4,23 +4,20 @@ top -i <interval>
 # To set the delay between updates to <delay> seconds:
 top -s <delay>
 
-# To set event counting to accumulative mode:
-top -a
+# To set memory unit <KB, MB, GB, TB, PB, EB>
+top -E <k,m,g,t,p,e>
 
-# To set event counting to delta mode:
-top -d
-
-# To set event counting to absolute mode:
-top -e
-
-# To not calculate statistics on shared libraries, also known as frameworks:
-top -F
-
-# To calculate statistics on shared libraries, also known as frameworks (default):
-top -f
+# To monitor specific process IDs (maximum is 20 process IDs)
+top -pN1,N2,N3,...N20
 
 # To print command line usage information and exit:
 top -h
 
 # To order the display by sorting on <key> in descending order:
 top -o <key>
+
+# Basic command use after enter `top`
+- f: show/hide fields, sort fiend
+  - d: show/hide field
+  - s: select as sort field
+  - a/w: keep this custom field forever
\ No newline at end of file