circuits.web(1) on Linux
The text fdbb3638c89e, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it. The page shows this text now.
Web Server and testing tool
Flags it lists
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-b -
-d -
-j -
-m -
-p -
-s -
-t -
-v