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96 Chapter 5 Setting Up Group Accounts
Because long group names support various character sets, the number of characters
for long group names can range from 255 Roman characters to as few as 63
characters (for character sets in which characters occupy up to 4 bytes).
 A short group name contains as many as 255 Roman characters. However, for clients
using Mac OS X v10.1.5 or earlier, the short group name must be eight characters or
less. Use only the following characters in a short group name:
 a through z
 A through Z
 0 through 9
 _ (underscore)
The short name (typically eight or less characters) may be used by Mac OS X to find
group members’ user IDs when determining whether a user can access a file as a
result of his or her group membership.
For more information about group membership, see “How Group Accounts Track
Membership” on page 89.
If a group has a mailing list enabled, the short name is also used in the group’s
mailing list address (shortname@hostname.com).
For more information about enabling a group’s mailing list, see “Enabling a Group’s
Web Services” on page 98.
You can use Workgroup Manager to edit the long or short names of a group account
stored in an Open Directory domain, the local directory 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 globe icon, choose the directory domain where the
account resides, click the Groups button, and select the group.
3 To authenticate, click the lock and enter the name and password of a directory domain
administrator.
4 Click Basic, then in the Name field (or the “Short name” field) review or edit the names
and then click Save.
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 the group. The maximum
value is 2,147,483,647.