Is centos free?

CentOS is completely free, and there is no problem that RED HAT AS4 requires a serial number.

CentOS (Community Enterprise Operating System, Chinese means community enterprise operating system) is one of the Linux distributions. It is derived from the source code released by Red Hat Enterprise Linux in accordance with the open source code regulations. compiled. Because it comes from the same source code, some servers that require high stability use CentOS instead of the commercial version of Red Hat Enterprise Linux.

The difference between the two is that CentOS is completely open source.

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