Linux Terminal

Get Help

• man <command>: open man page for command
• curl cheat.sh/<command>: get cheat.sh command examples
• tldr <command> get tldr command examples

Useful Commands

• hostnamectl: change hostname
• sudo -i: login as root via sudo
• timedatctl: check/set timezone
• history: list shell history
• compgen -c: list all available commands
• compgen -a: list all aliases
• compgen -k: list reserved shell keywords

Bash Tips

• Open text editor to enter a command
• Default mode (Emacs): C-x C-e
• vi mode: Esc v
• Use ! for history substitution: e.g. !3 to execute the 3rd command in the history
• Use !! to execute the previous command
• Use !cd to execute the most recent cd command. This also applies to any other commands

Keyboard Shortcuts (default Emacs)

• C-c: to
• C-a: jump to start of line
• C-e: jump to end of line
• C-u: delete to start of line
• C-k: delete to end of line
• C-l: clear screen