gtkdialog(1) on Linux
The text 8b97e28d9430, as Debian 5.0 (Lenny) shipped it. The page shows this text now.
GUI-creation command-line utility based on GTK+ library
Flags it lists
-
--debug -
--help -
--program -
--stdin -
--version -
-d -
-f -
-h -
-i -
-p -
-s -
-v