Unix and Linux 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 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. reset Resets the terminal if terminal screen is not displaying correctly. shutdown -h now Remotely or locally shuts the system down.