bonnie++(8) on Linux
The text c53dec27a9fb, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
program to test hard drive performance.
Flags it lists
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-D -
-Z -
-b -
-d -
-f -
-g -
-m -
-n -
-p -
-q -
-r -
-s -
-u -
-x -
-y -
-z