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Update README.md
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README.md
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README.md
@ -3124,6 +3124,7 @@ Credits: <a href="https://fossbytes.com"><b>fossbytes</b></a> & <a href="https:/
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- [Moving Files](#moving-files)
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- [Deleting Files](#deleting-files)
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- [Reading Files](#reading-files)
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- [Sorting Files](#sorting-files)
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- [File Permissions](#file-permissions)
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- [Finding Files](#finding-files)
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- [Find in Files](#find-in-files)
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@ -3289,13 +3290,24 @@ rm -f|--force foo.txt # Delete file, ignore nonexistent files and never prompt
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## Reading Files
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```bash
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cat foo.txt # Print all contents
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less foo.txt # Print some contents at a time (g - go to top of file, SHIFT+g, go to bottom of file, /foo to search for 'foo')
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head foo.txt # Print top 10 lines of file
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tail foo.txt # Print bottom 10 lines of file
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tail -f foo.txt # Print bottom 10 lines of file updating with new data
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open foo.txt # Open file in the default editor
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wc foo.txt # List number of lines words and characters in the file
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cat foo.txt # Print all contents
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less foo.txt # Print some contents at a time (g - go to top of file, SHIFT+g, go to bottom of file, /foo to search for 'foo')
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head foo.txt # Print top 10 lines of file
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tail foo.txt # Print bottom 10 lines of file
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tail -f|--follow foo.txt # Print bottom 10 lines of file updating with new data
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open foo.txt # Open file in the default editor
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wc foo.txt # List number of lines words and characters in the file
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```
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[⬆ ʀᴇᴛᴜʀɴ ᴛᴏ ᴄᴏɴᴛᴇɴᴛꜱ](#contents)
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## Sorting Files
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```bash
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sort foo.txt # Sort file (ascending order)
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sort -r|--reverse foo.txt # Sort file (descending order)
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sort -n|--numeric-sort foo.txt # Sort numbers instead of strings
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sort -t|--field-separator: -k 3n /foo/foo.txt # Sort by the third column of a file
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```
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[⬆ ʀᴇᴛᴜʀɴ ᴛᴏ ᴄᴏɴᴛᴇɴᴛꜱ](#contents)
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@ -3396,11 +3408,15 @@ grep -E 'foo|bar' /baz -R # Use regular expressions
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### Replace in Files
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```bash
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sed 's/fox/bear/g' foo.txt # Replace fox with bear in foo.txt and output to console
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sed 's/fox/bear/gi' foo.txt # Replace fox (case insensitive) with bear in foo.txt and output to console
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sed 's/red fox/blue bear/g' foo.txt # Replace red with blue and fox with bear in foo.txt and output to console
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sed 's/fox/bear/g' foo.txt > bar.txt # Replace fox with bear in foo.txt and save in bar.txt
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sed 's/fox/bear/g' foo.txt -i|--in-place # Replace fox with bear and overwrite foo.txt
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sed 's/fox/bear/g' foo.txt # Replace fox with bear in foo.txt and output to console
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sed 's/fox/bear/gi' foo.txt # Replace fox (case insensitive) with bear in foo.txt and output to console
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sed 's/red fox/blue bear/g' foo.txt # Replace red with blue and fox with bear in foo.txt and output to console
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sed 's/fox/bear/g' foo.txt > bar.txt # Replace fox with bear in foo.txt and save in bar.txt
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sed -i|--in-place 's/fox/bear/g' foo.txt # Replace fox with bear and overwrite foo.txt
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sed -i|--in-place '/red fox/i\blue bear' foo.txt # Insert blue bear before red fox and overwrite foo.txt
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sed -i|--in-place '/red fox/a\blue bear' foo.txt # Insert blue bear after red fox and overwrite foo.txt
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sed -i|--in-place '10s/find/replace/' foo.txt # Replace the 10th line of the file
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sed -i|--in-place '10,20s/find/replace/' foo.txt # Replace in the file 10-20 lines
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```
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[⬆ ʀᴇᴛᴜʀɴ ᴛᴏ ᴄᴏɴᴛᴇɴᴛꜱ](#contents)
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@ -3743,6 +3759,7 @@ screen -ls # List all sessions
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screen -R 31166 # Reattach to a session
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exit # Exit a session
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reset # Reset the terminal(when binary and the terminal state is messed up)
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```
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[⬆ ʀᴇᴛᴜʀɴ ᴛᴏ ᴄᴏɴᴛᴇɴᴛꜱ](#contents)
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@ -4183,6 +4200,8 @@ Inspired by <a href="https://github.com/RehanSaeed/Bash-Cheat-Sheet">RehanSaeed/
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| Ctrl+s | Suspend |
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| Ctrl+q | Resume |
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| Ctrl+d | Log out from a shell (similar to exit) |
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| Ctrl+/ | Undo changes in command-line|
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Ctrl+x(twice)| The cursor jumps back and forth between the current position or the beginning of the line |
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@ -4192,16 +4211,19 @@ Inspired by <a href="https://github.com/RehanSaeed/Bash-Cheat-Sheet">RehanSaeed/
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| Alt+t | Reverses the position of the word the cursor is in with the previous word |
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| Alt+u | Capitalizes every character from cursor left to right to the end of one word |
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| Alt+l | UnCapitalizes every character from cursor left to right to the end of one word |
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| Alt+r | Reverts any changes to a previously executed command that is edited |
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| Alt+r | Reverts any changes to a previously executed command that's being edited |
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| Alt+. | Fetch and paste the last word at end of a command from previous commands |
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</p>
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</details>
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---
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### Online Cheat Sheet :feelsgood: for quick references of commands and codes
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## Online Cheat Sheet :feelsgood: for quick references of commands and codes
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[cheat.sh](https://github.com/chubin/cheat.sh)<br>
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<br>
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@ -4234,7 +4256,8 @@ cht.sh keyword
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## Easily view, navigate, search and manage your command history
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[htsr](https://github.com/dvorka/hstr)<br>
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<br>
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<br>
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<i>Install</i>:
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```bash
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sudo apt install hstr
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