Linux Process Management

Assess your understanding of process creation,signals,and scheduling.

1. Which command is used to display a snapshot of currently running processes?

ps top bg jobs

2. Which of the following are valid process states in Linux?

Running (R) Sleeping (S) Zombie (Z) Deleted (D)

3. The default signal sent by the 'kill' command is SIGKILL.

True False

4. What command resumes a suspended process in the background?

5. What does PPID stand for?

Parent Process Identifier Primary Process Index Process Priority ID Parent Program ID

6. Which commands terminate processes by name?

pkill killall ps grep

7. A daemon process runs in the foreground and is tied to a terminal.

True False

8. What is the PID of the init/systemd process, the first process started at boot?

9. Which command shows real-time system resource usage of processes?

top ps jobs bg

10. Which actions can a zombie process perform?

Use CPU resources Be reaped by its parent Send signals to other processes Have its exit status read

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