apropos(1) on Linux
The text 3557ef51f671, as Debian 3.1 (Sarge) shipped it.
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Flags it lists
-
--config-file -
--debug -
--exact -
--help -
--manpath -
--regex -
--verbose -
--version -
--wildcard -
-C -
-M -
-V -
-d -
-e -
-h -
-r -
-v -
-w