Specifications

166 Appendix A Mac OS X Directory Data
Standard Attributes in Group Records
The following table specifies facts about the standard attributes, or data types, found in
group records of Mac OS X data services. Use these facts when mapping LDAP or
Active Directory domains to Mac OS X directory services.
FTP service
Web service
Apple file service
NFS service
Macintosh Manager
Mac OS X login window
Application and system
preferences
HomeDirectory
NFSHomeDirectory
Optional
Mail service MailAttribute Required for login to mail
service on your server
Mail service EMailAddress Optional
Server component
Mac OS X
user attribute
Dependency
Mac OS X
group attribute
Format Sample values
RecordName:
Name associated with a group
ASCII characters A–Z, a–z,
0–9, _
Science
Science_Dept
Science.Teachers
Non-zero length, maximum 255
bytes (85 triple-byte to 255
single-byte characters).
RealName:
Usually the group’s full name
UTF-8 text Science Department Teachers
Non-zero length, maximum 255
bytes (85 triple-byte to 255
single-byte characters).
PrimaryGroupID:
A unique identifier for the group
Signed 32-bit ASCII string of
digits 0–9
Normally unique among entire
population of group records.
GroupMembership:
A list of short names of user
records that are considered part
of the group
ASCII characters A–Z, a–z,
0–9, _,-
bsmith, jdoe
Can be an empty list (normally
for users’ primary group).
LL2352.Book Page 166 Friday, August 22, 2003 3:12 PM