iostat(8) on FreeBSD
The text 18e85412e18c, as FreeBSD 12.1-RELEASE shipped it.
report I/O statistics
Flags it lists
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-? -
-C -
-I -
-K -
-M -
-N -
-T -
-c -
-d -
-h -
-n -
-o -
-t -
-w -
-x -
-z