cruft(8) on Linux
The text a2629313600a, as Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink) shipped it.
Check the filesystem for cruft (missing and unexplained files)
Flags it lists
-
-N -
-d -
-h -
-k -
-m -
-n -
-r