brightd(1) on Linux
The text 3136595a6515, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it. The page shows this text now.
a brightness control daemon
Flags it lists
-
-P -
-b -
-c -
-d -
-e -
-f -
-r -
-u -
-v -
-w