texdoc(1) on Linux
The text 765ca02fba69, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
find & view documentation in TeX Live
Flags it lists
-
--debug -
--files -
--help -
--interact -
--just-view -
--list -
--machine -
--mixed -
--nointeract -
--quiet -
--showall -
--verbose -
--version -
--view -
-I -
-M -
-V -
-d -
-f -
-h -
-i -
-l -
-m -
-q -
-s -
-v -
-w