SELF TEST
Use the following questions to test your recall and understanding of the chapter’s material.
Understanding Users and Groups
1. Which of the following is an illegal username?
A. Q7
B. bl00man
C. 9lives
D. mitchell5
2. Choose the correct statement for the meaning of the third and fourth fields in the /etc/passwd entry fred:x:50:50:System Fred:/home/fred:/usr/bin/csh.
A. The account UID is 50; the GID is ignored.
B. The account GID is 50; the UID is ignored.
C. The account UID and GID are both 50, but are not related.
D. The account UID and GID are both 50 and must remain equal.
3. Which statement correctly describes a function of the /etc/group file?
A. It lists one or more users and roles that are members of each named group.
B. It lists ...
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