Keyboard and Command line shortcut keys

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 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.

Command line shortcut keys

 ~     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.
shutdown -h now     Remotely or locally shuts the system down.