Quiz1 1st semester (1445)
Time: 30 mn
Student Name:_________________
Student Number:___________
Quiz 1
1. Which of the following commands is used
to create a new user in the Linux
operating system?
a. createuser
b. adduser
c. useradd
d. user
2. What operations are performed when a
new user is created?
a. Creates a new home directory for the
user
b. The ownership and permissions are
assigned to the home directory
c. Both of the above
d. None of the above
3. Which of the files gets edited when we
create a new in Linux operating system?
A. /etc/group
B. /etc/shadow
C. /etc/gshadow
D. /etc/passwd
a. A and B
b. C and D
c. A, B, and C
d. A, B, C, and D
4. What is the default UID of root user in
the Linux operating system?
A. 0
B. 1
C. 2
D. 3
5. What is the range of UIDs is reserved for
groups and system accounts?
A. 1-50
B. 51-100
C. 100-999
D. 1000-9999
6. There are the following statements that
are given below, which of them are
correct about GID in the Linux operating
system?
A. GID is a group identification
number that is used it identify a
group in Linux OS.
B. GID is provided by the Linux
operating system to the newly
created group.
C. GID is provided by the user who
created the group in the Linux
operating system.
D. GIDs are stored in /etc/group file.
a. A and B
b. A, B, and D
c. A, B, and C
d. B, C, and D
7. Which Linux command is used to assign
a password to the created user?
a. password
b. newpass
c. passwd
d. pwd
8. Can we create a new user without
becoming a root user?
a. Yes
b. No
9. Which file contains encrypted user's
passwords?
a. /etc/passwords
b. /etc/shadow
c. /etc/pwd
d. /etc/pwds
10. Which exact command is used to disable
password for a particular user?
a. usermod -D <user name>
b. usermod -d <user name>
c. usermod -l <user name>
d. usermod -L <user name>
11. Which command is used to create a new
group in the Linux operating system?
a. creategroup
b. addgroup
c. groupadd
d. groupcreate
a. 742
b. 754
c. 724
d. 624
17. Which command is used to create or
update the quota database files?
a. quotactl
b. quotadb
c. quotacheck
d. dbquota
18. chmod command can take multiple
filenames as arguments.
a) True
b) False
19. Which of the following symbol is used
with chmod to assign permission to a file?
a) –
b) /
c) +
d) *
20. To assign execute permission to the user
(owner) for a file named file01.txt, which
of the following command will be used?
a) chmod u+r file01.txt
b) chmod u+w file01.txt
c) chmod u-x file01.txt
d) chmod u+x file01.txt
12. Which command is used to rename the
existing group?
a. rename
b. rengroup
c. groupmode
d. groupmod
13. Which command is used to remove an
existing group?
a. removegroup
b. deletegroup
c. groupdel
d. grouprmv
14. Which command would give the owner
and group of myfile the permissions of
read and execute while all others have
read access?
a. chmod 003 myfile
b. chmod 554 myfile
c. chmod 331 myfile
d. chmod 662 myfile
15. Which command and options are used to
delete a user’s account and home
directory?
a. userdel -r
b. usermod -f
c. passwd -e
d. usermod -e
16. what does rwx r-x r-- mean in octal
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