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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 4 of 17

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Q31.
Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it

a.

-r

b.

-x

c.

-i

d.

-1

Discuss
Answer: (c).-i
Q32.
Which of the following directories contain all the Alias created by a user, including his login directory?

a.

/tmp

b.

/etc

c.

/usr

d.

/dev

Discuss
Answer: (c)./usr
Q33.
Which of the following commands is used to obtain a list of all files by modification time?

a.

ls -1

b.

ls -t

c.

ls -i

d.

ls -R

Discuss
Answer: (b).ls -t
Q34.
The % key allows you

a.

to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.

b.

to move the cursor to the upperleft corner of the screen

c.

to move the cursor backward to the beginning of a word

d.

to move the cursor to the first column in the current line

Discuss
Answer: (a).to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.
Q35.
Which command is used to display the characteristics of a process?

a.

pid

b.

du

c.

ps

d.

au

Discuss
Answer: (c).ps
Q36.
Which of the following commands is used to identify the type of file by context?

a.

ls

b.

cat

c.

file

d.

more

Discuss
Answer: (c).file
Q37.
The field separator in cut command is specified with

a.

-a option

b.

-d option

c.

-r option

d.

-x option

Discuss
Answer: (b).-d option
Q38.
Which of the following options will be used to display number of blocks used by a file?

a.

-c

b.

-i

c.

-d

d.

-s

Discuss
Answer: (d).-s
Q39.
Which option will be used with touch command to change the access time?

a.

-a

b.

-b

c.

-t

d.

-h

Discuss
Answer: (a).-a
Q40.
Which command is used to make all files and sub-directories in the directory (progs) executable by all users?

a.

chmod -R a+x progs

b.

chmod -R 222 progs

c.

chmod -1 a+x progs

d.

chmod -x a+x progs

Discuss
Answer: (a).chmod -R a+x progs
Page 4 of 17

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