sethead(1) on Linux
The text c32c527d52d8, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
Set FITS or IRAF header keyword values
Flags it lists
-
-h -
-k -
-n -
-r -
-v