This page describes the Linux filesystem underlying the XO, particularly some unusual aspects of this implementation.
Store things you want to persist under /home/olpc
If store data elsewhere it will be gone after the next reboot. Shi 13:57, 24 January 2008 (EST)
Example Treemap of the File-system
Raw treemap of joyride 2174 filesystemUncompressed, and with all hard links shown, you can see repeating patterns from the two pristine OS installs, two run images, and the single actual running image.
Joyride 2174 treemapYou can clearly see the two OS images that have previously been installed using olpc-update. /versions/pristine is the original data, /versions/run are hard linked to pristine (unless modified by the user). Top right is the actual running OS data (hard linked to one of the /versions/run blocks). /home/olpc stores all user generated data.