NAME

       subgid - the subordinate gid file

DESCRIPTION

       Each line in /etc/subgid contains a user id and a range of suboridinate user ids that user
       is allowed to use. This is specified with three fields delimited by colons (“:”). These
       fields are:

       •   login name

       •   numerical subordinate user ID

       •   numerical subordinate user ID count

       This file specifies the group IDs to be that each user may use with the newgidmap command
       that ordinary users can use to configure gid mapping in a user namespace.

       Multiple ranges may be specified per user ID.

FILES

       /etc/subgid
           Per user subordinate group IDs.

       /etc/subgid-
           Backup file for /etc/subgid.

SEE ALSO

       subuid(5), login.defs(5), newuidmap(1), newgidmap(1), usermod(8),