ctwm(1x) on Linux
The text 6996fdc66520, as Debian 8 (Jessie) shipped it.
Claude's Tab Window Manager for the X Window System
Flags it lists
-
-K -
-W -
-cfgchk -
-display -
-f -
-info -
-k -
-n -
-s -
-v -
-version -
-w