Keyboard shortcut keys
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. For example, if you typed 'mv file1 file2' this shortcut would delete file2.
CTRL+Z Cancels current operation
Command line shortcuts
~ 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.