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22.2.3. Adding a Group

To add a group to the system, use the command groupadd:
groupadd <group-name> 

Command line options for groupadd are detailed in Table 22.2, “ groupadd Command Line Options”.
Option Description
-g <gid> Group ID for the group, which must be unique and greater than 499
-r Create a system group with a GID less than 500
-f When used with -g <gid> and <gid> already exists, groupadd will choose another unique <gid> for the group.
Table 22.2.  groupadd Command Line Options