An ISO, IMG, BIN, MDF and NRG Image management utility for the Gnome Desktop Environment.
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If you simply wish to right click and .iso and select mount follow this simple guide on how to use nautilus scripts to accomplish this:
Firstly create two scripts with mount_iso and unmount_iso
Gmount-iso is a small tool written using PyGTK and Glade. It allows you to easily mount your cd images. This is a frontend to the ‘mount -o loop -t iso9660 foo.iso /mountpoint' command.