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operating systems Online Quiz - 66

Description: operating systems Online Quiz - 66
Number of Questions: 20
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Tags: operating systems
Attempted 0/20 Correct 0 Score 0

Who uses languages which are Standards ? i.Professors ii.Technicans iii.Students iv.Managers

  1. i, ii & iii only

  2. ii & iv only

  3. iii & iv only

  4. all of the above.


Correct Option: C,D

esc + i

  1. To insert new text

  2. To quit the vi editor

  3. To delete word from cursor position

  4. To delete entire line where cursor is located


Correct Option: A

esc + : + w

  1. To quit the vi editor

  2. To save file

  3. To save file with file name (save as)

  4. To clear the screen


Correct Option: B

esc + : + q

  1. To quit without saving

  2. To save and quit vi editor

  3. To quit the vi editor

  4. To find the next occurance of the letter 'q'


Correct Option: C

esc + : + q!

  1. To save and quit vi editor

  2. To continue with search

  3. To copy the line where cursor is located

  4. To quit without saving


Correct Option: D

n

  1. To open a new file

  2. To insert new text

  3. To save and quit vi editor

  4. To continue with search


Correct Option: D

esc + ?word (Press 'escape' key, type ?word-to-find)

  1. To replace word with a space

  2. To continue with search

  3. To search for specified word in backward direction

  4. To search for specified word in forward direction


Correct Option: C

esc + /word (Press 'escape' key, type /word-to-find)

  1. To search for specified word in backward direction

  2. To search for specified word in forward direction

  3. To replace word with a space

  4. To continue searching


Correct Option: B

esc + yy

  1. To copy the line where cursor is located

  2. Search for the letter y

  3. Save and quit the editor

  4. Confirm quit without saving


Correct Option: A

esc + dw

  1. To delete all occurances of the letter w

  2. To delete word from cursor position

  3. To delete entire line where cursor is located

  4. To paste the text just deleted or copied at the cursor


Correct Option: B

Esc + :$s/mumbai/pune/g

  1. To put cursor at the end of the next occurance of either Mumbai or Pune

  2. To Find all occurrence of Mumbai and Replace with Pune with confirmation

  3. To Find all occurrence of Mumbai and Replace with Pune without confirmation

  4. To put cursor at the beginning of the next occurance of either Mumbai or Pune


Correct Option: C

To which operating system is GNU/Linux compatible?

  1. Windows

  2. Unix

  3. it's a system on it's own

  4. don't know


Correct Option: B

what is the command in unix to see a list of opened files?

  1. ls

  2. lfs

  3. lsof

  4. None


Correct Option: C

Command to wait for specified number of seconds before exit

  1. wait

  2. sleep

  3. pause

  4. None of the above


Correct Option: B

How do you get current CPU utilization, memory and disk space usage in linux

  1. du

  2. df

  3. top

  4. None of the above


Correct Option: C

What is GNU/Linux?

  1. The official name of the complete Linux OS according to Richard Stallman

  2. A combination of a free software kernel with Linux apps

  3. A fancy way of identifying new distros

  4. A distro of Linux meant for wildebeests


Correct Option: A

How to find free space in linux

  1. df -h

  2. du

  3. rm

  4. du -sh


Correct Option: A

The Linux kernel was invented by

  1. Linus Pauling

  2. Linus Torvalds

  3. Linus Thorwalds

  4. Linus Van Pelt


Correct Option: B

What animal represents Linux

  1. Bob the Mandrake

  2. Tux the Penguin

  3. George the Wombat

  4. Bill the evil bat of greed


Correct Option: B

AI Explanation

To answer this question, we need to understand the mascot of the Linux operating system.

Option A) Bob the Mandrake - This option is incorrect because the mascot of Linux is not Bob the Mandrake. Mandrake Linux was a Linux distribution, but it had a different mascot.

Option B) Tux the Penguin - This option is correct because Tux the Penguin is the official mascot of the Linux operating system. Tux was chosen as the mascot because penguins are known for their stability, which represents the stability and reliability of the Linux system.

Option C) George the Wombat - This option is incorrect because George the Wombat is not the mascot of Linux. Wombats are native to Australia and have no association with Linux.

Option D) Bill the evil bat of greed - This option is incorrect because Bill the evil bat of greed is not the mascot of Linux. It is a fictional character and has no relation to Linux.

The correct answer is B) Tux the Penguin. This option is correct because Tux is the official mascot of the Linux operating system.

Which of the following is not a Linux GUI?

  1. Xfree86

  2. KDE

  3. Motif

  4. Gnome


Correct Option: A
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