About
Zenity is free software based on GTK that provides graphical interfaces / dialog boxes to a shell script such as Bash. See the manual for more information on how to use Zenity.
Links
Below are some of the graphical interfaces and dialogs that are available.
All were produced by downloadable BASH scripts at bottom of page.
Calendar (can be used to select a date)
Message Dialog (Error Dialog shown. Others include Info, Question, and Warning)
Message Dialog (Question Dialog shown)
List Dialog
Text Entry Dialog
Here is a list of what is available.
Calendar Dialog
Color Selection Dialog
File Selection Dialog
Forms Dialog
List Dialog (Includes Error, Info, Question, and Warning)
Notification Dialog
Password Dialog
Progress Dialog
Scale Dialog
Text Entry Dialog
Text Information Dialog