XmCommand(3) on Linux
The text e56ea99a55c1, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Motif-compatible command-entry widget
The text e56ea99a55c1, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Motif-compatible command-entry widget