tlmgr(1) on Linux
The text bc3fe4ef191a, as Debian 8 (Jessie) shipped it.
the TeX Live Manager
Flags it lists
-
--debug-translation -
--gui -
--gui-lang -
--machine-readable -
--no-execute-actions -
--no-persistent-downloads -
--package-logfile -
--pause -
--persistent-downloads -
--pin-file -
--repository -
--usermode -
--usertree