gXiso is a Free Software to extract and upload Xbox ISO images to a Xbox.
It can read from rar, zip, gz and bz2 archives without using any disk space, the transfer speed will be near the maximum possible speed on your system.
- Linux: Python 2.0, PyGTK 2.0, GTK 2.4. unrar or (better) rar to be able to read from RAR archives.
- Windows: All is included in the installer. But you need WinRAR installed to read from RAR archives.