This is zenity - a rewrite of gdialog, the GNOME port of dialog which allows you to display dialog boxes from the commandline and shell scripts. If you understand, things are just as they are. If you don't understand, things are just as they are.

What's new?
==========
* New --no-wrap option on info/error/warning/question dialogs [Lucas, Timo, Carlos]
* Fix for #171838 [Carlos]
* Some code improvements and cleanups [Glynn, Lucas]
* Single/multiple selection on list dialogs [Lucas]
* Double-clicking on list dialogs [Lucas, Norman]
* Better error handling [Lucas]
* --print-column option on List dialogs accepts a
comma-separated list of column indexes [Lucas]
* New --hide-column option on List dialogs [Lucas]
* New and updated translations
- Theppitak Karoonboonyanan [th]
- Marcel Telka [sk]
- Martin Danish Hansen [da]
- Ignacio Casal Quinteiro [gl]
- Kjartan Maraas [nb, no]
- Pawan Chitrakar [ne]
- Kostas Papadimas [el]
- Rajesh Ranjan [hi]
- Vladimir Petkov [bg]
- Francisco Javier F. Serrador [es]
- Miloslav Trmac [cs]
- Priit Laes [et]
- Vincent van Adrighem [nl]
- Gareth Owen [en_GB]
- Abduxukur Abdurixit [ug]
- Adi Attar [xh]
- Steve Murphy [rw]
- Josep Puigdemont [ca]
- Adam Weinberger [en_CA]
- Stefano Canepa [it]
- Mugurel Tudor [ro]

Where can I get it?
==============

http://ftp.gnome.org/pub/GNOME/sources/zenity/2.11/zenity-2.11.0.tar.gz