超どうでもいいが

screen の --help は斬新だ。

$ screen --help
Use: screen [-opts] [cmd [args]]
 or: screen -r [host.tty]

Options:
-a            Force all capabilities into each window's termcap.
...
-v            Print "Screen version 4.00.02 (FAU) 5-Dec-03".
...

$ screen -v
Screen version 4.00.02 (FAU) 5-Dec-0