httpd(8) on Linux
The text 92eff4116f14, as Debian 13 (Trixie), Debian 12 (Bookworm) shipped it.
Simple, small and fast HTTP server
Flags it lists
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-f -
-g -
-h -
-l -
-n -
-p -
-r -
-s -
-t -
-u -
-v