How do I exit top command?

I lost knowledge of CentOS 7 Linux. I went to work with Windows but now need to work again. I start top command to see information. How do I exit top command? I am pressing ctrl d but it is not working at all.

  1. Type top to start it:
  2. Press q (small letter q) to quit or exit from top session.
  3. To display help just press ? or h within top session
  4. Read man page by tying:
    man top


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