imwcs(1) on Linux
The text ad0f014914bb, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
Set WCS in FITS and IRAF image files
Flags it lists
-
-a -
-e -
-f -
-g -
-h -
-i -
-k -
-l -
-n -
-o -
-p -
-r -
-s -
-t -
-u -
-v -
-w