Find all manually installed deb packages
inverse of "deborphan" and better than dpkg --get-selections
aptitude search '~i!~E' | grep -v "i A" | cut -d " " -f 4
aptitude search '~i!~E' | grep -v "i A" | cut -d " " -f 4
// posted by Jo-Chen @ Thursday, July 03, 2008 
