shush(1) on Linux
The text 7da170280d3d, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Run a command and optionally report its output by mail
Flags it lists
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-C -
-H -
-R -
-S -
-T -
-V -
-c -
-f -
-h -
-i -
-k -
-m -
-r -
-s -
-u -
-v