iostat(8) on OpenBSD
The text 2b0af9381a2b, as OpenBSD 2.3, OpenBSD 2.2, OpenBSD 2.1 shipped it.
report I/O statistics
Flags it lists
-
-C -
-D -
-I -
-M -
-N -
-T -
-c -
-d -
-w