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Unix Basics Practice Test: Process
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Avg score: 85% Most missed: “What is the PID of the first process that is set up when the system is booted?”
Quiz on process basics, process status, process handling commands and process management. A Unix process is an instance of a computer program that is being executed. It is a self-contained entity that has its own memory space, code, and data. Processes are created by the operating system when a program is started, and they are terminated when the program finishes executing. Processes allow multiple programs to run simultaneously on a single computer, and they can be used to improve the performance of a computer. Processes are important because they allow multiple programs to run... Show more
Unix Basics Practice Test: Process
Time left 00:00
25 Questions

1. What is a daemon?
2. To find out how efficiently a program a used the system resources, which command is used?
3. Shell ___ operator is used for running jobs in the background.
4. Which one of the following forms used with at command is invalid?
5. nice command is a ______ command in C shell.
6. The -a option when used with ps command lists processes of all users but doesn’t display the system processes.
7. Which command is used for running jobs in the background?
8. Which command shows some attributes of a process?
9. Which one of the following command is used for killing the last background job?
10. Which option is used with ps command to list system processes?
11. POSIX shell provides job control facilities like bg or fg.
12. We can run the jobs in the background in UNIX.
13. The cron tab is a table having a list of commands that are scheduled to be run at regular intervals.
14. The PID of our login shell doesn’t change.
15. What is cron?
16. We can use the _____ symbol with at command to redirect our output to a specified file.
17. Programs and process are synonymous.
18. A system call is a programmatic way in which the program requests for the service from the kernel of an operating system.
19. There are ___ distinct phases of a process.
20. What is the PID of the first process that is set up when the system is booted?
21. We can schedule a job to run at a specified time of day using _______ command.
22. Which of the following keyword is not supported by at command?
23. Which option can be used explicitly to reduce the priority of any process.
24. What does the following command do?
$ kill %2
25. Which option is used by ps command to get a detailed listing of process attributes?