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Welcome to the Unix System MCQs Page

Dive deep into the fascinating world of Unix System with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Unix System, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Unix System, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Operating System.

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Check out the MCQs below to embark on an enriching journey through Unix System. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Operating System.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Unix System. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Unix System MCQs | Page 10 of 17

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Q91.
The ls -l command tells

a.

who the owner of the file is

b.

the name of the group owner of the file

c.

how large the file is and when the file was last modified.

d.

All of the above

Discuss
Answer: (d).All of the above
Q92.
Which option will be used with disk free command to include the total amount of disk space in the file system?

a.

-t

b.

-tt

c.

-4

d.

-i

Discuss
Answer: (a).-t
Q93.
Which command is used to set the three permissions for all the three categories of users of a file?

a.

chgrp

b.

chown

c.

chmod

d.

chusr

Discuss
Answer: (c).chmod
Q94.
Which of the following commands can be used to get information about yourself?

a.

who am i

b.

i /4

c.

pwd

d.

which

Discuss
Answer: (a).who am i
Q95.
Which of the following commands can be used to get information about all users who are currently logged into the system?

a.

which

b.

who

c.

who am i

d.

1 /u

Discuss
Answer: (b).who
Q96.
Which of the following keys is used to overstrike a whole line?

a.

R

b.

v

c.

C

d.

u

Discuss
Answer: (a).R
Q97.
Which command is used to locate all the .profile files in the system?

a.

ls profile

b.

find /-name profile -print

c.

cd /.profile

d.

l -u .profile

Discuss
Answer: (b).find /-name profile -print
Q98.
The File that contains a set of instructions which are performed when a user logs in, is

a.

.exrc

b.

.profile

c.

.autoexec

d.

autoexec.bat

Discuss
Answer: (b)..profile
Q99.
The octal representation 652 indicates

a.

Execute permission for the owner

b.

Write permission for others

c.

Read and write permission of groups

d.

All of the above

Discuss
Answer: (b).Write permission for others
Q100.
Which of the following command is used to count just the number of lines contained in a file?

a.

wc -l

b.

wc -c

c.

wc -w

d.

wc -r

Discuss
Answer: (a).wc -l
Page 10 of 17

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