alias

Set aliases for commands alias ll=’ls -lah –color’ ls=’ls -a –color’ df=’df -hT’ free=’free -h’ vmstat=’vmstat -S M’ geoip=’geoiplookup’ sudo=’sudo ‘ ss=’ss -4’ PS1=’${debian_chroot:+($debian_chroot)}[033[01;32m]u@h[033[00m]:[033[01;34m]w[033[00m]$ ‘ To make it permanent: vi /etc/bash.bashrc, and append the above commands to the end