bash colors y hostname

ssybl0:~]$cat ~/.bashrc
export LS_OPTIONS='--color'
eval "'gdircolors'"
alias ls='gdir $LS_OPTIONS'
alias ll='gdir $LS_OPTIONS -l'
alias l='gdir $LS_OPTIONS -lA'

export PS1='[\h:\w]\$'


Añadir:
ssybl0:~]$cat .bash_profile
source ~/.bashrc