Handy shell things

stick these in your ~/.bash_profile:

alias grep='grep --color=auto'
function ps() {
 /bin/ps $* | sed -E $'s#[0-9]+#\e[31m&\e[0m#'
}

The grep one will make your grep matches change color, which makes it a lot easier to find in a line. The ps one makes the pid turn red, which is really useful if you have processes with really long commandlines (like a WO app):