Provided by: passwd_4.1.4.2+svn3283-3ubuntu5_amd64 bug


       groupadd - skapa en ny grupp


       groupadd [flaggor] grupp


       The groupadd command creates a new group account using the values specified on the command
       line plus the default values from the system. The new group will be entered into the
       system files as needed.


       Flaggorna som gäller för kommandot groupadd är:

       -f, --force
           This option causes the command to simply exit with success status if the specified
           group already exists. When used with -g, and the specified GID already exists, another
           (unique) GID is chosen (i.e. -g is turned off).

       -g, --gidGID
           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. The default is to use the smallest ID value
           greater than 999 and greater than every other group. Values between 0 and 999 are
           typically reserved for system accounts.

       -h, --help
           Visa hjälpmeddelande och avsluta.

       -K, --keyNYCKEL=VÄRDE
           Åsidosätter standardvärden i /etc/login.defs (GID_MIN, GID_MAX och andra). Flera
           flaggor av -K kan anges.

           Example: -K GID_MIN=100 -K GID_MAX=499

           Notera: -K GID_MIN=10,GID_MAX=499 fungerar ännu inte.

       -o, --non-unique
           This option permits to add a group with a non-unique GID.

       -p, --passwordLÖSENORD
           The encrypted password, as returned by crypt(3). The default is to disable the

           Note: This option is not recommended because the password (or encrypted password) will
           be visible by users listing the processes.

           You should make sure the password respects the system's password policy.

       -r, --system
           Create a system group.

           The numeric identifiers of new system groups are chosen in the SYS_GID_MIN-SYS_GID_MAX
           range, defined in login.defs, instead of GID_MIN-GID_MAX.


       The following configuration variables in /etc/login.defs change the behavior of this tool:

       GID_MAX (number), GID_MIN (number)
           Range of group IDs used for the creation of regular groups by useradd, groupadd, or

       MAX_MEMBERS_PER_GROUP (number)
           Maximum members per group entry. When the maximum is reached, a new group entry (line)
           is started in /etc/group (with the same name, same password, and same GID).

           The default value is 0, meaning that there are no limits in the number of members in a

           This feature (split group) permits to limit the length of lines in the group file.
           This is useful to make sure that lines for NIS groups are not larger than 1024

           If you need to enforce such limit, you can use 25.

           Note: split groups may not be supported by all tools (even in the Shadow toolsuite).
           You should not use this variable unless you really need it.

       SYS_GID_MAX (number), SYS_GID_MIN (number)
           Range of group IDs used for the creation of system groups by useradd, groupadd, or



           Säker gruppkontoinformation.

           Shadow password suite configuration.


       It is usually recommended to only use groupnames that begin with a lower case letter or an
       underscore, followed by lower case letters, digits, underscores, or dashes. They can end
       with a dollar sign. In regular expression terms: [a-z_][a-z0-9_-]*[$]?

       On Debian, the only constraints are that groupnames must neither start with a dash ('-')
       nor contain a colon (':') or a whitespace (space:' ', end of line: '\n', tabulation: '\t',

       Groupnames may only be up to 32 characters long.

       You may not add a NIS or LDAP group. This must be performed on the corresponding server.

       If the groupname already exists in an external group database such as NIS or LDAP,
       groupadd will deny the group creation request.


       Kommandot groupadd avslutas med följande värden:


           ogiltig kommandosyntax

           ogiltigt argument till flagga

           GID inte unikt (när -o inte används)

           gruppnamn inte unikt

           kan inte uppdatera gruppfilen


       chfn(1), chsh(1), passwd(1), gpasswd(8), groupdel(8), groupmod(8), login.defs(5),
       useradd(8), userdel(8), usermod(8).