iostat(1) on Linux
The text 8a8de68c89b1, as Debian 6.0 (Squeeze) shipped it.
Report Central Processing Unit (CPU) statistics and input/output statistics for devices, partitions and network filesystems (NFS).
Flags it lists
-
-N -
-V -
-c -
-d -
-h -
-k -
-m -
-n -
-t -
-x -
-z