Use the --error option to create an error dialog.

The following example script shows how to create an error dialog:

          #!/bin/bash

          zenity --error \
          --text="Could not find /var/log/syslog."
        

Figure 5 Error Dialog Example

Use the --info option to create an information dialog.

The following example script shows how to create an information dialog:

          #!/bin/bash

          zenity --info \
          --text="Merge complete. Updated 3 of 10 files."
        

Figure 6 Information Dialog Example

Use the --question option to create a question dialog.

The following example script shows how to create a question dialog:

          #!/bin/bash

          zenity --question \
          --text="Are you sure you wish to proceed?"
        

Figure 7 Question Dialog Example

Use the --warning option to create a warning dialog.

The following example script shows how to create a warning dialog:

          #!/bin/bash
        
          zenity --warning \
          --text="Disconnect the power cable to avoid electrical shock."
        

Figure 8 Warning Dialog Example