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What information does the vmstat command provide on a Linux system?

easy📝 Conceptual Q1 of 15
Linux CLI - System Administration
What information does the vmstat command provide on a Linux system?
ADisk usage statistics
BList of running services
CDetails about CPU, memory, and system processes
DNetwork interface configurations
Step-by-Step Solution
Solution:

  1. Step 1: Understand vmstat purpose

    The vmstat command reports information about processes, memory, paging, block IO, traps, and CPU activity.

  2. Step 2: Compare options with vmstat output

    Only Details about CPU, memory, and system processes matches the typical vmstat output details including CPU and memory stats.

  3. Final Answer:

    Details about CPU, memory, and system processes -> Option C

  4. Quick Check:

    vmstat info = CPU, memory, processes [OK]
Quick Trick: vmstat shows CPU, memory, and process stats [OK]
Common Mistakes:
  • Confusing vmstat with disk or network commands
  • Thinking vmstat shows service lists

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