Menu

Question Discussion & Solution

MCQ

Q.

What command is used to count the number of files in the current directory by using pipes?

A

ls | ws - c

B

ls | wc - w

C

ls | wc - l

D

ls | wc

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 is not TRUE?

A

Processes may send each other signals

B

Kernel may send signals internally

C

A field is updated in the signal table when the signal is sent

D

Each signal is maintained by a single bit

Discussion

MCQ

2.

What command is used to count just the number of characters in a file?

A

wc - r

B

wc - w

C

wc - c

D

wc - 1

E

None of the above

Discussion

MCQ

3.

What service is used to translate domain names to IP addresses?

A

NFS

B

SMB

C

NIS

D

DNS

E

None of the above

Discussion

MCQ

4.

The first process launched by the linux kernel is ___________

A

init process

B

zombie process

C

batch process

D

boot process

Discussion

MCQ

5.

What command is used with vi editor to save file and remain in the editing mode?

A

x

B

q!

C

:w

D

:q

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