On Ubuntu and probably Debian, the 'mailcap' package is (I think) installed by default. It provides the 'see', 'view', 'edit', 'print' and 'compose' commands wh

On Ubuntu and probably Debian, the 'mailcap' package is (I think) installed by default. It provides the 'see', 'view', 'edit', 'print' and 'compose' commands which open a file in a suitable default program.