If an argument is specified, removepkg searches the list of previously installed packages and removes the first name which matches pkg. If no name is matched, an error message is issued.
If no argument is specified, removepkg queries the user, via a menu, about which package is to be removed.
You must be logged in as root to remove some packages.
removepkg must be invoked from the console.
removepkg does not work on packages installed with custom(ADM).