Useful Commands in Unix

Easy navigation of commands

~ Moves to the user’s home directory.
!! Repeats the line last entered at the shell. See history command for previous commands.
!$ Repeats the last argument for the command last used. See history command for previous commands.
reset Resets the terminal if terminal screen is not displaying correctly.

CTRL + B Moves the cursor backward one character.
CTRL + C Cancels the currently running command.
CTRL + D Logs out of the current session.
CTRL + F Moves the cursor forward one character.
CTRL + H Erase one character. Similar to pressing backspace.
CTRL + P Paste previous line(s).
CTRL + S Stops all output on screen (XOFF).
CTRL + Q Turns all output stopped on screen back on (XON).
CTRL + U Erases the complete line.
CTRL + W Deletes the last word typed in. For example, if you typed ‘mv file1 file2’ this shortcut would delete file2.
CTRL + Z Cancels current operation, moves back a directory or takes the current operation and moves it to the background. See bg command for additional information about background.

Diff two folders and list files with difference :
diff -arq folder1 folder2

Diff two folders and list all difference in each file – recursive diff that
ignore spaces, with a unified context.
diff -bur Interfaces/ ~myusername/Interfaces/

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