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groupmod - modify a group
groupmod [-g gid [-o ]] [-n new_group_name] group
The groupmod command modifies the system account files to reflect the
changes that are specified on the command line.
The options which apply to the groupmod command are:
- -g gid The numerical value of the group’s ID. This value must be
-
unique, unless the -o option is used. The value must be
non-negative. Values between 0 and 999 are typically reserved
for system groups. Any files which the old group ID is the file
group ID must have the file group ID changed manually.
- -n new_group_name
-
The name of the group will be changed from group to
new_group_name.
/etc/group
group account information
/etc/gshadow
secure group account information
The groupmod command exits with the following values:
- 0
- success
- 2
- invalid command syntax
- 3
- invalid argument to option
- 4
- specified group doesn’t exist
- 6
- specified group doesn’t exist
- 9
- group name already in use
- 10
- can’t update group file
chfn(1)
, chsh(1)
, passwd(1)
, gpasswd(8)
, groupadd(8)
, groupdel(8)
,
useradd(8)
, userdel(8)
, usermod(8)
.
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