A Free OS Software Known as CentOS VMware

Most VMware software products runs using Linux or Windows host system. If you do not have any of these operating systems, you can make use of VMware image or virtual appliance.   One of the virtual machine software developed is the CentOS VMware.  CentOS is free software available on Linux distribution wherein the source code can be freely modified, used and redistributed by anyone.  The sources are provided by a well know North American Enterprise Linux Vendor. 

CentOS was based on the Red Hat Enterprise Linux (RHEL). In as much as the RHEL source  code was only open for Linux subscribers, CentOS developers use the RHEL source code to develop a final product very similar to RHEL   The CentOS conforms with the upstream vendors redistribution policy and strives to be 100% binary compatible with upstream product.  The name CentOS stands for Community ENTerprise Operating System.

CentOS supports  architectures such as i386 (Intel x86 architecture  32-bit). x86-64 (AMD’s AMD64 and Intel’s EM64T, 64-bit), IA-64 (Intel Itanium architecture, 64-bit), PowerPC/32 (Apple Macintosh and PowerMac running the G3 or G4 PowerPC processor) ("beta" support) and IBM Mainframe (eServer zSeries and S/390)

CentOS VMware is developed by team of core developers which gets its supports from active user community composed of  system administrators, network administrators, enterprise users, managers, core Linux contributors and Linux enthusiasts from around the world.
It is available free for download over the internet for public use, however it is not maintained or supported by Red Hat.