useful command in bash

.bashrc

alias xp="VBoxManage startvm winxp"                                                                                                                          

alias g="git status"
alias zbs="cd ~/Documents/zbs && vim"
alias sqmy="cd ~/Documents/sqmy && vim"
alias r="sudo kill -9 `ps -A | grep mem | awk '{print $1}'` && memcached -m 20 -d && mongrel_rails restart"
export AUTOFEATURE=true

#use mxmlc to compile flex source
export FLEX_HOME=/usr/local/flex
export PATH=$PATH:$FLEX_HOME/bin

#we doesn't use require 'rubygems'
export RUBYOPT="rubygems"

sources.list

deb http://tw.archive.ubuntu.com/ubuntu lucid main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu lucid-security main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu lucid-updates main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu lucid-backports main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu lucid-proposed main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu lucid main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu lucid-security main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu lucid-updates main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu lucid-backports main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu lucid-proposed main restricted universe multiverse