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Welcome to the Linux System MCQs Page

Dive deep into the fascinating world of Linux System with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Linux System, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Linux 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 Linux 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 Linux System. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Linux System MCQs | Page 23 of 31

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Q221.
What file contains the list of port numbers (and associated names) monitored by inetd?

a.

/etc/services

b.

/etc/nsorder

c.

/etc/nsswitch.conf/

d.

/etc/hosts

Discuss
Answer: (a)./etc/services
Q222.
The location of some system configuration and system administrator executable files, is:

a.

/home

b.

/proc

c.

/var

d.

/sbin

Discuss
Answer: (d)./sbin
Q223.
The location for subdirectories for local programs and executables for user and administrative commands, is:

a.

/usr

b.

/tmp

c.

/opt

d.

/mnt

Discuss
Answer: (a)./usr
Q224.
Which of the following is not a filter command?

a.

sort

b.

wc

c.

grep

d.

cat

Discuss
Answer: (d).cat
Q225.
What command is used to display a file contents in octal form?

a.

oct

b.

of

c.

od

d.

cd

Discuss
Answer: (c).od
Q226.
What command is used to assign executable permission to all of the files named "report"?

a.

chmod ugo + x report

b.

chmod u + x report

c.

chmod ugo + rw report

d.

chmod ugo + r report

Discuss
Answer: (a).chmod ugo + x report
Q227.
What command is used to change the working directory?

a.

cdir

b.

chdir

c.

changedir

d.

cd

Discuss
Answer: (d).cd
Q228.
What command is used to count the number of files in the current directory by using pipes?

a.

ls | ws - c

b.

ls | wc - w

c.

ls | wc - l

d.

ls | wc

Discuss
Answer: (c).ls | wc - l
Q229.
What command is used to count just the number of characters in a file?

a.

wc - r

b.

wc - w

c.

wc - c

d.

wc - 1

Discuss
Answer: (c).wc - c
Q230.
How many class A, B and C network IDs can exist?

a.

128

b.

126

c.

16,382

d.

2,113,658

Discuss
Answer: (d).2,113,658
Page 23 of 31

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