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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 12 of 17

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Q111.
Which command is used with vi editor to move cursor forward to first occurrence of character 'ch' in the current line?

a.

tch

b.

fch

c.

rch

d.

ech

Discuss
Answer: (b).fch
Q112.
Which of the following keys is used to delete the character beneath the cursor?

a.

x

b.

X

c.

dd

d.

D

Discuss
Answer: (a).x
Q113.
Which command is used to assign only read permission to all three categories of the file 'note'?

a.

chmod go+r note

b.

chmod a-rw

c.

chmod ugo=r note

d.

chmod u+r,g+r,o-x note

Discuss
Answer: (c).chmod ugo=r note
Q114.
Which command will be used with vi editor to append text at end of line?

a.

A

b.

a

c.

i

d.

I

Discuss
Answer: (a).A
Q115.
The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has

a.

executable permission only

b.

write and executable permissions

c.

both read and executable permissions.

d.

both read and write permissions

Discuss
Answer: (d).both read and write permissions
Q116.
Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it?

a.

who | tee user.lst

b.

who > user.lst

c.

who >> user.lst

d.

who < user.lste

Discuss
Answer: (a).who | tee user.lst
Q117.
Which of the following shell's wildcards are used to match any number of characters including none?

a.

[ijk]

b.

[!ijk]

c.

?

d.

*

Discuss
Answer: (d).*
Q118.
The command used to remove the directory is;

a.

rmdir

b.

rd

c.

remove

d.

rdir

Discuss
Answer: (a).rmdir
Q119.
Which symbol will be used with grep command to match the pattern pat at the end of a line?

a.

^pat

b.

$pat

c.

pat$

d.

pat^

Discuss
Answer: (c).pat$
Q120.
Which command is used to display all the lines with the string 'sales' from the file empl.lst?

a.

cut sales empl.lst

b.

/sales > empl.lst

c.

grep sales empl.lst

d.

cat | /sales > empl.lst

Discuss
Answer: (c).grep sales empl.lst
Page 12 of 17

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