Backronym. Home directories were originally stored in /usr, as are another user programs “ In particular, in our own version of the system, there is a directo

Backronym. Home directories were originally stored in /usr, as are another user programs “ In particular, in our own version of the system, there is a directory "/usr" which contains all user's directories, and which is stored on a relatively large, but slow moving head disk, while the othe files are on the fast but small fixed-head disk. “