iostat(8) on OpenBSD
The text 580ff278b8ce, as OpenBSD 3.8, OpenBSD 3.7, OpenBSD 3.6, OpenBSD 3.5, OpenBSD 3.4 shipped it.
report I/O statistics
Flags it lists
-
-C -
-D -
-I -
-M -
-N -
-T -
-c -
-d -
-w