File permissions (chmod, chown)

Linux Fundamentals · lesson 8 of 15 · 20 min

Processes and services

summary: Processes are running programs, while services are programs that provide ongoing system functions. Check status and purpose before stopping, restarting, or changing a service.

question: What is the safest first step when reviewing a service?

options:

  • Check its status and purpose
  • Disable every service
  • Delete its logs
  • Change all permissions

correct: Check its status and purpose

explanation: Status and purpose provide the evidence needed for a responsible decision.


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