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operating systems Online Quiz - 64

Description: operating systems Online Quiz - 64
Number of Questions: 20
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Tags: operating systems
Attempted 0/20 Correct 0 Score 0
  1. Every one can read, group can execute only and the owner can read and write

  2. Every one can read and write, but owner alone can execute

  3. Every one can read, group including owner can write, owner alone can execute

  4. None


Correct Option: C
  1. A request by the users to access kernel functions

  2. A request by kernel to the device

  3. A request by the device to kernel

  4. None


Correct Option: A
  1. A mechanism to connect to printer, keyboard and monitor in linux

  2. A mechanism to share printer across users

  3. A request made by the device to linux kernel

  4. None


Correct Option: B
  1. A Pipe used by kernel to access device

  2. A pipe to be used by the user to access device

  3. An abstraction to provide support for inter process communication

  4. A device


Correct Option: C
  1. To synchronize user applications

  2. To synchronize keyboard and monitor

  3. To synchornize disk buffers

  4. To syschronize main memory and cache memory


Correct Option: C
  1. Printer users

  2. Not allowed to login using rlogin/ssh

  3. root users

  4. User id cannot be 0


Correct Option: C
  1. It sets file owner permissions to read and write

  2. It sets the permissions of other users to read

  3. It sets group permissions to read and execute

  4. All of them


Correct Option: D
  1. ln -s Test Link

  2. ln Test Link

  3. ln / Link Test

  4. ln -h Link Test


Correct Option: B

Which command do you use to make the /etc/inputrc file immutable?

  1. chattr +i /etc/inputrc

  2. chmod 666 inputrc

  3. chmod g=rw inputrc

  4. None


Correct Option: A
  1. A remote machine address

  2. A printer on a remote machine

  3. A remote printer address

  4. Both a printer and a remote machine


Correct Option: B
  1. gunzip/expand

  2. gzip

  3. zip

  4. winzip


Correct Option: A

How do I tar/untar a file?

  1. tar -cvf file/tar -xvf file

  2. tar -xvf file /tar -cvf file

  3. tar -cvf file.tar /tar -xvf file.tar /

  4. tar -xvf file.tar /tar -cvf file.tar /


Correct Option: C
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