rtcwake(8) on Linux
The text f3dd8c043a25, as Debian 5.0 (Lenny) shipped it.
enter a system sleep state until specified wakeup time
Flags it lists
-
--auto -
--help -
--local -
--utc -
--verbose -
--version -
-V -
-a -
-h -
-l -
-u -
-v