Process Management UNIX MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 30, 2025

1. : What is the daemon process?
(A) whose parent has died
(B) without any user interaction runs automatically
(C) which is running infinitely
(D) in the process table, it has completed its execution but still has an entry

2. : By using ___ we can list the jobs queued using at command.
(A) -p
(B) -l
(C) -v
(D) -r

3. : With a command, which option is used for removing a job from the queue?
(A) -e
(B) -l
(C) -r
(D) -t

4. : As soon as the system load permits, which command gives permission to schedule jobs for later execution?
(A) batch
(B) %
(C) at
(D) cron

5. : By using the __ option, jobs scheduled using the batch command are removed.
(A) -a
(B) -d
(C) -r
(D) -f

6. : The cron is_____
(A) a daemon
(B) an orphan process
(C) a simple process
(D) a zombie process

7. : A table having a list of commands that are scheduled to run at regular intervals is the cron tab.
(A) False
(B) True
(C) Partially True
Answer: (B) True

8. : The current crontab will be removed by which command?
(A) crontab -r
(B) crontab -l
(C) crontab -e
(D) crontab -p

9. : Which of the following command is used to find out how efficiently the system resources are used by a program?
(A) sys
(B) daemon
(C) crontab
(D) time