Tag: operating systems

Questions Related to operating systems

  1. List all physical volumes

  2. List all physical partitions

  3. List all logical partitions

  4. List PP size


Correct Option: A
  1. Its gets displayed when a command continues to next line.

  2. It is reserved for root user

  3. It is used for defining the default character used to commenting a line for a particular shell.

  4. None of these


Correct Option: A
  1. Because of the principle of SUID

  2. Because the passwd command lies in /usr/bin

  3. /etc/passwd is a special file and so it is allowed

  4. None of these


Correct Option: A
  1. Will only show a preview of the execution and will not actually execute the script

  2. Show verbose messages of the execution and helps in debugging

  3. This is called safe-execution.

  4. None of these


Correct Option: B
  1. Yes, use smitty hostname and reboot is not required

  2. No, We have to change and to make it permanent we have to reboot the server

  3. Depends on the runlevel

  4. None of these


Correct Option: A
  1. List all ordinary files in current directory that have been modified within the last 1 minute

  2. List all ordinary files in current directory that have been modified within the last 1 hour

  3. List all ordinary files in current directory that have been modified within the last 24 hours

  4. List all ordinary files in current directory that have been modified within the last 48 hours


Correct Option: C