Tag: operating systems

Questions Related to operating systems

Which command is used to ensure that background jobs continue to run even after logginf off.
technology operating systems

  1. noexit

  2. nokill

  3. xlog

  4. nohup

Show answer
Correct Option: D

Whats the procedure to ensure that the output of a command is not displayed on the terminal?
technology operating systems

  1. command >

  2. command > /dev/null

  3. command | cat *

  4. command < /dev/null

Show answer
Correct Option: B

What is the command to invoke unix's command line calculator?
technology operating systems

  1. calc

  2. calculator

  3. cc

  4. bc

Show answer
Correct Option: D

which of the following is not the unix command to send email

technology operating systems

  1. mail

  2. mailx

  3. Mail

  4. email

Show answer
Correct Option: D

which command helpful to chat with other users in unix
technology operating systems

  1. talk

  2. chat

  3. meet

  4. ping

Show answer
Correct Option: A

which command displays the disk space in unix

technology operating systems

  1. dl -k

  2. ls -k

  3. df -k

  4. dz -k

Show answer
Correct Option: C

by which expression we can schedule jobs in unix
technology operating systems

  1. bron

  2. cron

  3. crop

  4. drop

Show answer
Correct Option: B

which command is used to move files from one location to other
technology operating systems

  1. ph

  2. jp

  3. mp

  4. mv

Show answer
Correct Option: D