010-160 010-160 - LPI Linux Essentials Process Management and System Monitoring Questions and Answers

Question 1

Which command displays a dynamic, real-time view of running processes on a Linux system?

Accepted Answer

top

Answer

The `top` command provides an interactive, continuously updated display of system processes and resource usage.

Question 2

What signal number is used with `kill` to forcefully terminate a process that cannot be ignored?

Accepted Answer

9

Answer

Signal 9 (SIGKILL) immediately and forcefully terminates a process and cannot be caught or ignored by the process.

Question 3

Which command lists all currently running processes for all users in a detailed format?

Accepted Answer

ps aux

Answer

The `ps aux` command shows all processes from all users with detailed information including CPU and memory usage.

Question 4

What does the `nice` command control when starting a process?

Accepted Answer

Scheduling priority

Answer

The `nice` command launches a process with a specified scheduling priority (niceness value) to influence how much CPU time it receives.

Question 5

Which command sends a process to the background after it has already been started in the foreground?

Accepted Answer

bg

Answer

After pressing Ctrl+Z to suspend a foreground process, the `bg` command resumes it running in the background.

(010-160) LPI Linux Essentials Practice Test