Creating dialog boxes with the dialog utility

The dialog utility is used to create a basic level graphical user interface. We can use this in Shell script to create very useful programs.

To install the dialog utility in Debian or Ubuntu Linux, enter following command:

$ sudo apt-get update
$ sudo apt-get install l dialog

Similarly, enter the following command to install the utility dialog in CentOS or Red Hat Linux:

$ sudo yum install dialog

The typical syntax of the dialog command is as follows:

$ dialog --common-options --boxType "Text" Height Width \
                                  --box-specific-option

The common-options utility is used to set the background color, title, and so on in dialog boxes.

The option details are as follows:

  • Text: The caption or contents of the box ...

Get Learning Linux Shell Scripting now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.