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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 UGC CBSE NET Exam. 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 UGC CBSE NET Exam.

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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 UGC CBSE NET Exam.

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 7

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Q11.
A Unix file may be of the type :

a.

Regular file

b.

Directory file

c.

Device file

d.

Any one of the above

Discuss
Answer: (d).Any one of the above
Q12.
Match the following for Unix system calls:

List – I List – II

(a) exec (i) Creates a new process

(b) brk (ii) Invokes another program overlaying memory space with a copy of an executable file

(c) wait (iii) To increase or decrease the size of data region

(d) fork (iv) A process synchronizes with termination of child process

code:
a b c d

a.

(ii) (iii) (iv) (i)

b.

(iii) (ii) (iv) (i)

c.

(iv) (iii) (ii) (i)

d.

(iv) (iii) (i) (ii)

Discuss
Answer: (a).(ii) (iii) (iv) (i)
Q13.
WOW32 is a :

a.

Win 32 API library for creating processes and threads

b.

Special kind of file system to the NT name space

c.

Kernel - mode objects accessible through Win 32 API

d.

Special execution environment used to run 16 bit Windows applications on 32 - bit machines

Discuss
Answer: (d).Special execution environment used to run 16 bit Windows applications on 32 - bit machines
Q14.
The Unix command :

$ vi file1 file2

a.

Edits file1 and stores the contents of file1 in file2

b.

Both files i.e. file1 and file2 can be edited using 'ex' command to travel between the files

c.

Both files can be edited using 'mv' command to move between the files

d.

Edits file1 first, saves it and then edits file2

Discuss
Answer: (b).Both files i.e. file1 and file2 can be edited using 'ex' command to travel between the files
Q15.
 _______ maintains the list of free disk blocks in the Unix file system.

a.

I-node

b.

Boot block

c.

Super block

d.

File allocation table

Discuss
Answer: (c).Super block
Q16.
A part of Windows 2000 operating system that is not portable is

a.

Device Management

b.

Virtual Memory Management

c.

Processor Management

d.

User Interface

Discuss
Answer: (b).Virtual Memory Management
Q17.
Match the following with reference to Unix shell scripts : 

List-I                                                     List-II

a. $?                                 i.  File name of the current script

b. $#                                ii.  List of arguments

c. $0                                 iii. The number of arguments

d. $*                                  iv. Exit status of last command

Codes:
a       b       c       d

a.

iii       ii       i       iv

b.

ii       iii       i       iv

c.

iv       iii       i       ii

d.

i       iii       i       iv

Discuss
Answer: (c).iv       iii       i       ii
Q18.
The output generated by the LINUX command :
                     $ seq 1 2 10 
will be

a.

1 2 10

b.

1 2 3 4 5 6 7 8 9 10

c.

1 3 5 7 9

d.

1 5 10

Discuss
Answer: (c).1 3 5 7 9
Q19.
In UNIX, ______________ creates three subdirectories: 'PIS' and two subdirectories 'progs' and data from just created subdirectory 'PIS'.

a.

mdkir PIS/progs PIS/data PIS

b.

mkdir PIS progs data

c.

mkdir PIS PIS/progs PIS/data

d.

mkdir PIS/progs data

Discuss
Answer: (c).mkdir PIS PIS/progs PIS/data
Q20.
Which statement is not correct about “init” process in Unix?

a.

It is generally the parent of the login shell.

b.

It has PID 1.

c.

It is the first process in the system.

d.

Init forks and execs a ‘getty’ process at every port connected to a terminal.

Discuss
Answer: (c).It is the first process in the system.
Page 2 of 7

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