A painless way of updating any distribution that uses apt, yum, pacman, and emerge
This script is mean to provide a painless way of updating any distribution that uses apt, yum, and pacman with little input from the user. The advantage provided is that you can push the same command to multiple systems to begin the update process, or just remember one command to update them all!
If you would like additonal information, please consult the man pages for your package manager and it's associated manual pages.
Note: This script is currently not posix compliant, and may not run on all types of systems