Linux distributions

Linux distribution is a collection of software that works well with each other. By design Linux is free, but it is possible to add commercial components to it and charge for that Linux distribution.

It is done this way by RedHat.

CentOS Linux distribution takes their software and removes commercial components, therefore it makes Linux software free of charge.

in case of RedHat Linux there is a company behind that product, in case of CentOS you are on your own. If there is a problem that you experience then hopefully somebody else reported this problem and a way to fix it on the Internet, or hopefully you have experience to fix it.

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