I’ve looked at a lots of different posts on various sites and still can find out what Apache does.
Is it a program that is on your machine and acts like a webserver, in that it can be used to test websites including coding languages?:q:
Yes,
it basically replaces IIS which comes with Windows;
it’s a free Server used mostly in a combination of
Apache/mySQL/PHP…
You could’ve just googled “apache”…
http://httpd.apache.org/ABOUT_APACHE.html
