fducmd(1) on Linux
The text cb0a9bc8f56f, as Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo), Debian 1.2 (Rex) shipped it.
display the number of disk blocks used per directory or file
Flags it lists
-
-a -
-r -
-s