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Welcome to the Unix File System MCQs Page

Dive deep into the fascinating world of Unix File System with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Unix File System, a crucial aspect of UNIX. In this section, you will encounter a diverse range of MCQs that cover various aspects of Unix File 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 UNIX.

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Check out the MCQs below to embark on an enriching journey through Unix File System. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of UNIX.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Unix File System. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Unix File System MCQs | Page 26 of 27

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Q251.
S_IFxxx macros are used for checking the file types.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q252.
Which of the following macro returns true if the file type is a directory?

a.

S_ISREG

b.

S_ISDIR

c.

S_ISCHR

d.

S_ISFIFO

Discuss
Answer: (b).S_ISDIR
Q253.
For checking a file access rights, ___ system call is used.

a.

acc

b.

access

c.

axs

d.

filert

Discuss
Answer: (b).access
Q254.
Which of the following is used with access call for checking the owner’s permissions?

a.

R_OK

b.

W_OK

c.

X_OK

d.

R_OK, W_OK, X_OK

Discuss
Answer: (d).R_OK, W_OK, X_OK
Q255.
chmod and fchmod calls are used for changing file permissions.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q256.
Both the owner and group owner can be changed by ____ call.

a.

chown

b.

chgrp

c.

chuser

d.

ch

Discuss
Answer: (a).chown
Q257.
For changing the time stamps, _____ system call is invoked.

a.

atime

b.

utime

c.

mtime

d.

ch

Discuss
Answer: (b).utime
Q258.
System calls and library functions are same.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q259.
Which of the following system call uses file descriptor as an argument?

a.

read

b.

write

c.

close

d.

read, write, close

Discuss
Answer: (d).read, write, close
Q260.
The difference between a pipe and a regular file is that

a.

Unlike a regular file, pipe is not a file

b.

The data in a pipe is transient unlike the contents of a regular file

c.

Pipes forbid random accessing while regular files do allow this

d.

Both (b) and (c)

Discuss
Answer: (d).Both (b) and (c)
Page 26 of 27

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