Post your Bash aliases

[Brujah]

Anything really useful? I'll post 2 that I've used for specific purposes

alias optimize='/usr/bin/mogrify -thumbnail 600x -quality 70 '
alias lhead='ls -lSth | head'

[Killswitch - BANNED FOR LIFE]

For some reason I thought you meant bash.org

[fris]

alias medialength='find -type f -name "*.avi" -print0 | xargs -0 mplayer -vo dummy -ao dummy -identify 2>/dev/null | perl -nle '/ID_LENGTH=([0-9\.]+)/ && ($t +=$1) && printf "%02d:%02d:%02d\n",$t/3600,$t/60%60,$t%60' | tail -n 1'

[Davy]

Looks cool.