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operating systems Online Quiz - 4

Description: operating systems Online Quiz - 4
Number of Questions: 20
Created by:
Tags: operating systems
Attempted 0/20 Correct 0 Score 0
  1. Berkeley Software Distribution

  2. Berkel Software Distro

  3. Berkeley Systems Distribution

  4. Bourne Systems Distribution


Correct Option: A

Which Shell variable indicates search path for commands?

  1. IFS

  2. PATH

  3. SHLVL

  4. TERM


Correct Option: B

A local variable can be used by child processes of a shell.

  1. True

  2. False


Correct Option: B

What is the process id and group id of the init process?

  1. 1,0

  2. 0,1

  3. 1,1

  4. 0,2


Correct Option: A

Which is not a filter in unix?

  1. pg

  2. ksh

  3. awk

  4. grep


Correct Option: B

What is the command for listing all the background jobs?

  1. ps

  2. jobs

  3. processes

  4. kill


Correct Option: B

What is the command for killing the suspended job number three?

  1. kill $3

  2. kill <<3

  3. kill %3

  4. terminate #3


Correct Option: C
  1. username

  2. password

  3. host name

  4. all of the above


Correct Option: D
  1. Change the permissions on all the .jpg file so that it is readable.

  2. It is not a valid command because the file name contains a *.

  3. Change the permissions on all image files

  4. Change permissions on the directory so that image files can be saved in it.


Correct Option: A

When creating a directory, which of the following is true?

  1. You use the pico Unix command to create a directory

  2. The default permissions are: r w x - - - - - -

  3. You must be in your home directory

  4. The directory name must end in _html


Correct Option: C
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