Linux command: alias

Create alias

alias imagenes='cd /media/discoduro/archivos/Pictures'

Create permanent alias

echo 'alias imagenes="cd /media/discoduro/archivos/Pictures"' >> ~/.bashrc && . ~/.bashrc

delete alias

unalias imagenes

see defined alias

alias

alias definition file

alias can also be defined in file ~/.bash_aliases.
Example ~/.bash_aliases

#!/bin/bash
alias instala="sudo apt-get install"
alias vpn=/home/rafa/vpn.sh