Ubuntu Desktop Edition
* 1 GHz x86 processor
* 1 Gb of system memory (RAM)
* 15 GB of hard-drive space (although this can be split onto 2 drives, a 5Gb / and a 10Gb /home fairly easily)
* Graphics card and monitor capable of 1024 by 768
* Either a Cd/Dvd-drive or a Usb socket (or both)
*
Internet access is helpful