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.

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 9 of 17

Explore more Topics under Operating System

01

Introduction to Operating Systems

02

OS Basics

03

System Calls

04

Processes and Threads

05

CPU Scheduling

06

Process Synchronization

07

Deadlocks

08

Files Management

09

Storage Management

10

Mass Storage Structure

11

IO Systems

12

Protection and Security

13

Distributed Systems

14

Real Time Systems

15

Swapping

16

Virtual Memory

17

Page Replacement Algorithms

18

File System Implementation

19

Files and Directories

20

Linux System

21

Disk Operating System (DOS)

22

Windows NT

23

Windows 2000 Server

24

Windows Operating System

Q81.

Which of the following commands is used to remove files with confirmation prompt from the user file system which have neither been accessed nor modified i the last one year?

find -mtime +365 | rm

grep (/usr/*) - mtime + 365 | -ok rm

find -name - mtime + 365 / - ok rm

find /user/* \(-mtime + 365 - a - atime +365 \) - OK rm {} \;

Discuss

Answer: (d).find /user/* \(-mtime + 365 - a - atime +365 \) - OK rm {} \;

Q82.

Which of the following commands is used to summarize the disk usage?

chkdsk

fdisk

disk

Discuss

Answer: (c).du

Q83.

Which command is used to sort the lines of data in a file in alphabetical order?

sort

sort -r

Discuss

Answer: (a).sort

Q84.

If a file has read and write permissions for the owner, then the octal representation of the permissions will be

Discuss

Answer: (b).6

Q85.

Which command is used to copy a file wb with the same name from the programs directory to the misc directory?

copy programs/wb misc/wb

cp programs/wb misc

tar programs/wb misc/wb

copy a:programs/wb b:misc/wb

Discuss

Answer: (b).cp programs/wb misc

Q86.

Which is the earliest and most widely used shell that came with the UNIX system?

C shell

Korn shell

Bourne shell

Smith shell

Discuss

Answer: (c).Bourne shell

Q87.

The seventh field of /etc/password is

password

shell

home

Discuss

Answer: (c).shell

Q88.

Which command is used to display the end of the file?

head - r

tail

eof

bof

Discuss

Answer: (b).tail

Q89.

Which command is used to create a directory?

crdir

mkdir

Discuss

Answer: (c).mkdir

Q90.

Which command is used to display the device name of the terminal you are using?

who

tty

stty

Discuss

Answer: (c).tty

Page 9 of 17

Welcome to the Unix System MCQs Page

Unix System MCQs | Page 9 of 17

Explore more Topics under Operating System

Introduction to Operating Systems

OS Basics

System Calls

Processes and Threads

CPU Scheduling

Process Synchronization

Deadlocks

Files Management

Storage Management

Mass Storage Structure

IO Systems

Protection and Security

Distributed Systems

Real Time Systems

Swapping

Virtual Memory

Page Replacement Algorithms

File System Implementation

Files and Directories

Linux System

Disk Operating System (DOS)

Windows NT

Windows 2000 Server

Windows Operating System

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