Menu

Question Discussion & Solution

MCQ

Q.

Which of the following is not a communication command.

A

write

B

mesg

C

mail

D

grep

E

None of the above

Community Discussion

No discussions yet. Be the first to start!

You must be logged in to participate in the discussion.

Login to Discuss

Similar Questions

MCQ

1.

Which of the following commands is used to assign executable permission to the owner of the file named "note"?

A

chmod g+x note

B

chmod u+w note

C

chmod u+x note

D

chmod ugo+x note

E

None of the above

Discussion

MCQ

2.

Which commands is used to assign executable permission to all of the files named "letter"?

A

chmod ugo+r letter

B

chmod ugo+rw letter

C

chmod u+x letter

D

chmod ugo+x letter

E

None of the above

Discussion

MCQ

3.

Which command is used to display a file contents in octal form?

A

cd

B

od

C

of

D

oct

E

None of the above

Discussion

MCQ

4.

Which of the following keys is used to replace a single character with new text?

A

S

B

s

C

r

D

C

E

None of the above

Discussion

MCQ

5.

Which command is used with vi editor scroll half page backward?

A

[Control-d]

B

[Control - u]

C

[Control-c]

D

[Control -P]

E

None of the above

Discussion

More Operating System Topics

Introduction to Operating System

5 MCQs

Types

16 MCQs

Services

2 MCQs

Structures

3 MCQs

Processes

58 MCQs

Threads

47 MCQs

CPU Scheduling

79 MCQs

Process Synchronization

117 MCQs

Memory Management

179 MCQs

Storage Management

283 MCQs

Input Output Systems

55 MCQs

Networking

36 MCQs

Distributed Operating System

73 MCQs

Protection and Security

123 MCQs

Unix

145 MCQs

Linux

160 MCQs

MS Windows

1 MCQs

Mixed

10 MCQs

Operating Systems Overview

0 MCQs

Process Management

0 MCQs

Finding and Processing Files

0 MCQs

File Management

0 MCQs