Which two are true about accounts, groups, and roles in the Solaris user database?
A.
All Solaris user accounts must have a unique UID number.
B.
A Solaris account name may be any alphanumeric string, and can have a maximum length of 8
characters.
C.
Account UID numbers 0-09 are system-reserved.
D.
The GID for an account determines the default group ownership of new files created by that
account.
E.
The groups that an account is a member of are determined by the entries in the /etc/group file.
Explanation:
A: Solaris uses a UID (User ID) to identify each user account. The UID is a unique
number assigned to each user. It is usually assigned by the operating system when the account is
created.
B: In Solaris the account name can include any alphanumeric string (and . _ -). The maximum
length is 8 characters.
Reference: How to Modify a UID in Solaris
AB
A.
User ID Numbers
Associated with each user name is a user identification number (UID). The UID number identifies the user name to any system on which the user attempts to log in. And, the UID number is used by systems to identify the owners of files and directories.
http://docs.oracle.com/cd/E23824_01/html/821-1451/userconcept-36940.html
B.
Contain from two to eight letters and numerals (the first character should be a letter and at least one character should be a lowercase letter)
http://docs.oracle.com/cd/E23824_01/html/821-1451/userconcept-36940.html
C. not, because:
0 – 99 root, daemon, bin, sys, and so on Reserved for use by the operating system