Practice Test Geeks(010-160) LPI Linux Essentials Practice Test
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010-160 - LPI Linux Essentials Process Management and System Monitoring Questions and Answers Flashcards

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

    Answer: top

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

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

    Answer: 9

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

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

    Answer: ps aux

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

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

    Answer: Scheduling priority

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

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

    Answer: bg

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

  6. What file in the /proc filesystem contains information about current memory usage?

    Answer: /proc/meminfo

    The `/proc/meminfo` file provides detailed statistics about RAM usage, free memory, buffers, and cache on a Linux system.