rc(1) on Linux
The text e7fc3aff667f, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
shell
Flags it lists
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-I -
-c -
-d -
-e -
-i -
-l -
-n -
-o -
-p -
-s -
-v -
-x