MAMP is self-sufficient. It does not replace Apache, Mysql or any other thing on the computer or any initial settings. It starts these services from its own folder with a different port number. The initial installation of Apache in the MAC OS will continue to work on the default port, i.e.
Original Apache installation will continue to work localhost:80
Mamp will install the service on port port 8888, 8889 for apache, mysql. New Apache installation Apache will work on
localhost:8888
Removing these services from MAMP is easy, since removing the MAMP folder from applications
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