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operating systems Online Quiz - 50

Description: operating systems Online Quiz - 50
Number of Questions: 20
Created by:
Tags: operating systems
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Which command to rename the directory

technology operating systems

  1. rename

  2. rn

  3. mv

  4. other

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Correct Option: C

Which command to remove the directory contains list of files

technology operating systems

  1. rmdir –s directoryname

  2. rmdir directoryname

  3. rmdir -r directoryname

  4. other

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Correct Option: C

How to display number of lines in a file

technology operating systems

  1. wc –l

  2. wc –line

  3. wc –c

  4. other

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Correct Option: A

how to change the ownership of the file

technology operating systems

  1. chmod

  2. chowner

  3. chown

  4. others

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Correct Option: C

how to search the strings in a file

technology operating systems

  1. grep

  2. search

  3. check

  4. other

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Correct Option: A

how to join the files

technology operating systems

  1. join

  2. paste

  3. merge

  4. combine

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Correct Option: B

how to split a file into different files

technology operating systems

  1. split

  2. SPLIT

  3. cut

  4. CUT

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Correct Option: A

Which of the following is not an Operating System

technology operating systems

  1. Debian

  2. BSD

  3. eCos

  4. VyWorks

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Correct Option: D

Operating System features..

technology operating systems

  1. Process Management

  2. Interrupts

  3. Networking

  4. Security

  5. Memory Management

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Correct Option: A,B,C,D,E

Which of the following are the versions of Microsoft Windows OS?

technology operating systems

  1. Windows 7

  2. Windows Me

  3. Windows CT

  4. Windows CE

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Correct Option: A,B,D

To restore the active console window

technology operating systems

  1. CTRL+F3

  2. CTRL+F4

  3. CTRL+F5

  4. CTRL+F1

Show answer
Correct Option: C

To open the utility manager

technology operating systems

  1. CTRL+SHIFT+V

  2. Windowslogo+U

  3. Windowslogo

  4. CTRL+U

Show answer
Correct Option: B

To lock keyboard

technology operating systems

  1. CTRL+L

  2. CTRL+SHIFT+K

  3. CTRL+SHIFT+L

  4. Windowslogo+L

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Correct Option: D

To open MYcomputer

technology operating systems

  1. Windowslogo+F

  2. Windowslogo+E

  3. CTRL+E

  4. CTRL+SHIFT+E

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Correct Option: B

To open the help topic

technology operating systems

  1. F2

  2. F3

  3. F1

  4. F5

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Correct Option: C

Write a command to display a file’s contents in various formats?

technology operating systems

  1. $od file_name

  2. $od -cbd file_name

  3. $od -cb file_name

  4. $od -c file_name

Show answer
Correct Option: B

Is it possible to create new a file system in UNIX?

technology operating systems

  1. NO

  2. Yes

  3. Yes,'mkfs’ is used to create a new file system.

  4. NO, Cannot use ' mkfs’

Show answer
Correct Option: C

Is it possible to restrict incoming message?

technology operating systems

  1. NO

  2. NO , mesg canot be used

  3. Yes

  4. Yes, using the ‘mesg’ command.

Show answer
Correct Option: D

Name the data structure used to maintain file identification?

technology operating systems

  1. filter

  2. kernel

  3. inode

  4. Shell

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Correct Option: C

How many prompts are available in a UNIX system?

technology operating systems

  1. 10

  2. 6

  3. 8

  4. 2

Show answer
Correct Option: D

AI Explanation

To answer this question, you need to understand the different prompts available in a UNIX system.

Option A) 10 - This option is incorrect because there are not 10 prompts available in a UNIX system.

Option B) 6 - This option is incorrect because there are not 6 prompts available in a UNIX system.

Option C) 8 - This option is incorrect because there are not 8 prompts available in a UNIX system.

Option D) 2 - This option is correct because there are typically two prompts available in a UNIX system: the primary prompt (PS1) and the secondary prompt (PS2). The primary prompt is the default prompt that appears when the system is ready for a new command, while the secondary prompt is used when a command is incomplete or spans multiple lines.

The correct answer is D) 2. This option is correct because there are typically two prompts available in a UNIX system: the primary prompt (PS1) and the secondary prompt (PS2).

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