Linux Basics for Big Data

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Check all processes

When you run ps aux, how many processes do you see?

  • Many. Since many other users are running the processes. Also, the system is running many processes in background.
  • Only two because I am not allowed to see the process listing of other users.
  • Command is invalid because it should be ps -aux.
  • Zero because I am not running any process and I am not allowed to see the information about other users as I am not root - the administrator.

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