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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 2 of 17

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Q11.
Which of the following commands is used to display the directory attributes rather than its contents?

a.

ls -l -d

b.

ls -l

c.

ls -x

d.

ls -F

Discuss
Answer: (a).ls -l -d
Q12.
Which of the following files will displayed by this command cat *ch*

a.

patch

b.

catch

c.

.ch

d.

All of the above

Discuss
Answer: (d).All of the above
Q13.
The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:

a.

000

b.

755

c.

744

d.

555

Discuss
Answer: (b).755
Q14.
If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use

a.

tty ^c

b.

stty intr \^c

c.

stty echoe

d.

stty echo \^a

Discuss
Answer: (b).stty intr \^c
Q15.
Which of the following is not a communication command.

a.

write

b.

mesg

c.

mail

d.

grep

Discuss
Answer: (d).grep
Q16.
Which of the following keys is used to move the cursor to the end of the paragraph.

a.

}

b.

{

c.

|

d.

$

Discuss
Answer: (a).}
Q17.
Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?

a.

cat emp[!0-9]

b.

more [emp][!0-9]

c.

cat emp[x-z]

d.

cat emp[a-z]

Discuss
Answer: (a).cat emp[!0-9]
Q18.
The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

a.

tee

b.

tr

c.

sort

d.

grep

Discuss
Answer: (a).tee
Q19.
Which command is used to remove a file?

a.

remove

b.

rm

c.

mv

d.

del

Discuss
Answer: (b).rm
Q20.
Which symbol is used to separate more than one command in the same command line?

a.

$

b.

#

c.

:

d.

;

Discuss
Answer: (d).;
Page 2 of 17

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