Creates aliases -- words that are replaced by a command string. Aliases expire with the current shell session, unless they're defined in the shell's configuration file, e.g.
~/.bashrc
.
alias {{word}}="{{command}}"
alias {{word}}
unalias {{word}}
alias -p
alias {{rm}}="{{rm -i}}"
la
as a shortcut for ls -a
:alias {{la}}="{{ls -a}}"