How to show a GUI message box from a bash script in linux?

How to show a GUI message box from a bash script in linux?

linux bash scripting ubuntu gtk

linux

What should I choose: GTK+ or Qt? [closed]

linux qt gtk

linux

How do you find out which version of GTK+ is installed on Ubuntu?

linux ubuntu gtk gnome

linux

GTK implementation of MessageBox

c linux gtk x11

linux

Is recent GTK 3.22 still Boehm GC friendly (thread issue)?

c linux multithreading gtk boehm-gc

linux

In GTK/Linux, what's the correct way to get the DPI scale factor?

linux user-interface ubuntu gtk

linux

Optimizing animation performance in WebKit on Linux

c++ css linux webkit gtk

linux

Gvim redraw issues with Virtual Box and Windows 7 host

linux vim gtk virtualbox cinnamon

linux

Building Pango with Cairo support

linux gtk cairo rhel5 pango

linux

Changing color of Eclipse links in quick fix or Eclipse links in preferences on Linux

linux eclipse colors hyperlink gtk

linux

Suppressing Valgrind errors from GTK+

c++ linux gtk valgrind

linux

Authenticating GTK app to run with root permissions

linux permissions gtk root

linux

Creating GUI with Python in Linux

python linux user-interface gtk pygtk

linux

Get X/Y position of caret (input text cursor) under Xorg?

linux gtk xorg xdotool

linux

Comparison of GUI development tools for linux [closed]

linux swing qt user-interface gtk

linux