X(7) on Linux
The text 826da667d486, as Debian 8 (Jessie) shipped it.
a portable, network-transparent window system
Flags it lists
-
-background -
-bd -
-bg -
-bordercolor -
-borderwidth -
-bw -
-display -
-fg -
-fn -
-font -
-foreground -
-geometry -
-iconic -
-name -
-reverse -
-rv -
-selectionTimeout -
-synchronous -
-title -
-xnllanguage -
-xrm