
92 Chapter 5 Setting Up Group Accounts
Naming a Group
A group has two names: a long name and a short name.
• The long group name (for example, English Department Students) is used for display
purposes only and can contain no more than 255 bytes. Since full group names
support various character sets, the maximum number of characters for full group
names can range from 255 Roman characters to as few as 85 characters (for character
sets in which characters occupy up to 3 bytes).
• A short group name can contain as many as 255 Roman characters. However, for
clients using Mac OS X version 10.1.5 and earlier, the short group name must be eight
characters or fewer. Use only these characters in a short group name:
• a through z
• A through Z
• 0 through 9
• _ (underscore)
The short name, typically eight or fewer characters, may be used by Mac OS X to find
user IDs of group members when determining whether a user can access a file as a
result of his or her group membership. See Appendix B for more information.
You can use Workgroup Manager to edit the names of a group account stored in the
LDAP directory of an Open Directory master, a NetInfo domain, or other read/write
directory domain. You can also use Workgroup Manager to review the names in any
directory domain accessible from the server you’re using.
To work with group names using Workgroup Manager:
1 In Workgroup Manager, click Accounts.
2 Select the group account you want to work with.
To select an account, click the small globe above the accounts list and open the
directory domain where the account resides, click the Groups pane, and select the
group.
3 To be authenticated, click the lock.
4 In the Name or “Short name” field (on the Members pane), review or edit the names.
Before saving a new name, Workgroup Manager checks to ensure that the name is
unique.
Defining a Group ID
A group ID is a string of ASCII digits that uniquely identifies a group. The maximum
value is 2,147,483,648.
You can use Workgroup Manager to edit the ID for a group account stored in the LDAP
directory of an Open Directory master or a NetInfo domain, or to review the group ID
in any directory domain accessible from the server you’re using. The group ID is
associated with group privileges and permissions.
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