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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 14 of 17

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Q131.
The UNIX file system stores a data in physical blocks of

a.

1024 bytes

b.

2048 bytes

c.

512 bytes

d.

256 bytes

Discuss
Answer: (c).512 bytes
Q132.
Which command is used to terminate all processes in your own system except the login shell?

a.

kill 1

b.

kill 0

c.

cancel all

d.

cancel 1

Discuss
Answer: (b).kill 0
Q133.
Which operator will be used with chmod command to assign absolute permission?

a.

+

b.

-

c.

=

d.

%

Discuss
Answer: (c).=
Q134.
Which command is used to link the files?

a.

lk

b.

ln

c.

cp

d.

tar

Discuss
Answer: (b).ln
Q135.
Which of the following signs is used to back up over typing errors in vi?

a.

@

b.

#

c.

$

d.

!

Discuss
Answer: (b).#
Q136.
Major expressions used with find command to select file is it has been accessed in more than 375 days, is

a.

-atime +365

b.

-mtime + 365

c.

-atime -365

d.

-mtime -365

Discuss
Answer: (a).-atime +365
Q137.
Which of are following internal commands is used in mail to forward mail to user in user-list?

a.

r user-list

b.

m user-list

c.

d user-list

d.

e user-list

Discuss
Answer: (b).m user-list
Q138.
Which of the following commands is used to display the filenames in multiple columns?

a.

ls

b.

ls -1

c.

ls -x

d.

lc

Discuss
Answer: (c).ls -x
Q139.
Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?

a.

chmod u-x, go+r note

b.

chmod go+r, u+x note

c.

chmod g-x, uo+r note

d.

chmod go+x, u-x note

Discuss
Answer: (a).chmod u-x, go+r note
Q140.
CloseHandle() call function in windows operating system is a UNIX's function called for

a.

fork()

b.

open()

c.

read()

d.

close()

Discuss
Answer: (d).close()
Page 14 of 17

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