whiptail(1) on Linux
The text f59e578bf640, as Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
display dialog boxes from shell scripts
Flags it lists
-
--clear -
--default-item -
--defaultno -
--fb -
--nocancel -
--noitem -
--scrolltext -
--separate-output