apropos(1) on Linux
The text 5d00f73fafba, as Debian 10 (Buster) shipped it.
search the manual page names and descriptions
Flags it lists
-
--and -
--config-file -
--debug -
--exact -
--help -
--locale -
--long -
--manpath -
--regex -
--section -
--sections -
--usage -
--verbose -
--version -
--wildcard -
-? -
-C -
-L -
-M -
-V -
-a -
-d -
-e -
-l -
-r -
-s -
-v -
-w