Linux+ V7 Process Management and Job Control

1. Which signal immediately terminates a process without allowing cleanup operations?

SIGTERM

SIGINT

SIGKILL

SIGQUIT

Submit

3. Which of the following are true about process priorities in Linux? (Select all that apply)

Nice values range from -20 to 19

Lower nice values indicate higher priority

Only root can set negative nice values

Nice values can be changed at any time without restrictions

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4. True or False: Pressing Ctrl+Z sends SIGKILL to the current foreground process.

True

False

5. What does the 'load average' represent on a Linux system?

Current CPU temperature

Average number of processes in runnable queue over time

Memory utilization percentage

Disk I/O activity

6. Which option with the 'ps' command displays a tree-like hierarchy of processes?

-f

-e

--forest or -H

-l

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8. Match the process states to their descriptions:

Running

Zombie

Stopped

Interruptible Sleep

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9. What is the purpose of the 'nohup' command?

Execute commands with modified priority

Run a process immune to hangup signals

List all running processes

Monitor process resource usage

10. True or False: The init process (PID 1) can be killed using the SIGKILL signal.

True

False

11. Which command displays all running processes with detailed information including PID, parent process ID, and CPU usage?

Ps aux

Top -p

Pgrep -l

Jobs -l

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13. What does the 'jobs' command display in a shell session?

All system processes

Background and suspended jobs in current shell

Process priority levels

CPU and memory statistics

14. Which of the following are valid ways to send a process to the background in the shell? (Select all that apply)

Append & to the command

Press Ctrl+Z then type 'bg'

Use the 'background' command

Press Ctrl+B

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15. True or False: A process with a lower nice value has higher priority in the CPU scheduler.

True

False

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17. What is the purpose of the 'nice' command in Linux process management?

List all running processes

Set or adjust process priority at launch

Send signals to running processes

Monitor CPU and memory usage

18. Which signal is used to gracefully terminate a process, allowing it to clean up resources?

SIGKILL

SIGTERM

SIGSTOP

SIGHUP

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Linux+ V7 Process Management and Job Control Quiz

1. Which signal immediately terminates a process without allowing cleanup operations?

2.

What first name or nickname would you like us to use?

2. The ______ command displays CPU and memory usage of processes in real-time.

3. Which of the following are true about process priorities in Linux? (Select all that apply)

4. True or False: Pressing Ctrl+Z sends SIGKILL to the current foreground process.

5. What does the 'load average' represent on a Linux system?

6. Which option with the 'ps' command displays a tree-like hierarchy of processes?

7. The ______ file in /proc contains the command line arguments used to start a process.

8. Match the process states to their descriptions:

9. What is the purpose of the 'nohup' command?

10. True or False: The init process (PID 1) can be killed using the SIGKILL signal.

11. Which command displays all running processes with detailed information including PID, parent process ID, and CPU usage?

12. The ______ command can be used to bring a background job to the foreground.

13. What does the 'jobs' command display in a shell session?

14. Which of the following are valid ways to send a process to the background in the shell? (Select all that apply)

15. True or False: A process with a lower nice value has higher priority in the CPU scheduler.

16. The ______ command is used to change the priority of an already running process.

17. What is the purpose of the 'nice' command in Linux process management?

18. Which signal is used to gracefully terminate a process, allowing it to clean up resources?

19. In Linux, a process in the ______ state is waiting for an event or resource to become available.