docs: Export "superusers" variable to apply to submenus

Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Paul Menzel 2019-12-10 13:04:05 +01:00 committed by Daniel Kiper
parent b53a2f2c66
commit 7e28ca82bb

View file

@ -5717,7 +5717,8 @@ the GRUB command line, edit menu entries, and execute any menu entry. If
@samp{superusers} is set, then use of the command line and editing of menu
entries are automatically restricted to superusers. Setting @samp{superusers}
to empty string effectively disables both access to CLI and editing of menu
entries.
entries. Note: The environment variable needs to be exported to also affect
the section defined by the @samp{submenu} command (@pxref{submenu}).
Other users may be allowed to execute specific menu entries by giving a list of
usernames (as above) using the @option{--users} option to the