planet(1) on Linux
The text b5d627592ca8, as Debian 10 (Buster), Debian 8 (Jessie) shipped it. The page shows this text now.
an aggregate feed generator
Flags it lists
-
--expunge -
--help -
--no-publish -
--offline -
--only-if-new -
--verbose -
-h -
-n -
-o -
-v -
-x