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operating systems Online Quiz - 90

Description: operating systems Online Quiz - 90
Number of Questions: 20
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Tags: operating systems
Attempted 0/20 Correct 0 Score 0

How to shutdown a computer?

  1. shutdown -s -t 30 -c “ “

  2. syskill command

  3. system32/shutdown.bat

  4. windowskey + S


Correct Option: A

How can we create a fake virus and threaten our loved ones? :) Which of the following while converted into a bat file really threatens??

  1. @echo off echo You want to delete windows? dir /s echo all files deleted msg * windows got deleted and needs to close.

  2. del windows echo all files have been deleted. You have been cheated

  3. shutdown -a

  4. echo Hey Dont get afraid I wont eat your computer


Correct Option: A

The word XP in Windows XP stands for..

  1. Expertise

  2. Experience

  3. Excellency

  4. Exclusive


Correct Option: B

Which name cannot be given to a folder in windows?

  1. NUL

  2. CON1

  3. AUX1

  4. REG


Correct Option: A

BSD is a standard used for unix system

  1. True

  2. False


Correct Option: A

What is/are true aboiut shell

  1. • Piece of software that handles all the communictions

  2. Command interpreter

  3. • Considered the primary interaction with the user

  4. • Interface between os nand user


Correct Option: B,C,D

Which one of the followings is the default hp-unix shell?

  1. Korn

  2. Bourne

  3. Posix

  4. Key


Correct Option: C

Which one is the oldest and most used shell

  1. korn

  2. Bourne

  3. Bash

  4. C


Correct Option: B

Which one is the superuser prompt?

  1. %

  2. $

  3. >

  4. #


Correct Option: D

what is the location of the .profile file?

  1. Home/.profile

  2. Etc/.profile

  3. User/Bin/.profile

  4. Non of the above

  5. Any one from first three


Correct Option: A

There are 10 dot files (i,e files starting with .).What will be the output of ls command?

  1. dot files will not be listed

  2. Last dot file only be listed

  3. only latest dot file be listed

  4. dot files will be listed


Correct Option: A
  1. dot files will not be listed

  2. Last dot file only be listed

  3. only latest dot file be listed

  4. dot files will be listed


Correct Option: D

What is the ls command to view subdirectories recursively?

  1. ls -R

  2. ls -l

  3. ls -r

  4. ls -A


Correct Option: A
  1. COLUMNS

  2. If COLUMNS is not set,current column value of the display

  3. default value of 80

  4. Both A and B


Correct Option: D

can you decipher the file type by its ls -lrt --> "prwxrwxr-x-" ?

  1. The entry is a local socket

  2. The entry is a first-in,first-out (FIFO) special file

  3. The entry is an ordinary file

  4. Purged Permissions


Correct Option: B
  1. 1 Use sigsend()

  2. 2 use kill()

  3. 3 use signal()

  4. 4 Only init can send signals


Correct Option: B
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