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# groupmod - Unix, Linux Command

# NAME

groupmod - modify a group

# SYNOPSIS

Tag | Description
--- | ---
groupmod [-g gid [-o ]] [-n new_group_name] group

# DESCRIPTION

The groupmod command modifies the system account files to reflect the changes that are specified on the command line.

# OPTIONS

The options which apply to the groupmod command are:

Tag | Description
--- | ---
-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.

# FILES

Tag | Description
--- | ---
/etc/group
| Group account information.
/etc/gshadow
| Secure group account information.

# EXIT VALUES

The groupmod command exits with the following values:

Tag | Description
--- | ---
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

# SEE ALSO

chfn(1), chsh(1), passwd(1), gpasswd(8), groupadd(8), groupdel(8), useradd(8), userdel(8), usermod(8).

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