sux(1) on Linux
The text 596b27b7f3d8, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
wrapper around su which will transfer your X credentials
Flags it lists
-
--copy-cookies -
--display -
--no-cookies -
--timout -
--untrusted -
--use-xauthority