xsetroot(1) on Linux
The text 20b8d051f195, as Debian 6.0 (Squeeze) shipped it.
root window parameter setting utility for X
Flags it lists
-
-bg -
-bitmap -
-cursor_name -
-def -
-display -
-fg -
-gray -
-grey -
-help -
-name -
-rv -
-solid