See the VDDK Release Notes for specific versions, which change over time. Mac OS X is not supported.On Linux, programmers can use the GNU C compiler, version 4 and higher. The sample program compiles with the C++ compiler g++, but VDDK also works with the C compiler gcc.See the VDDK Release Notes for specific versions, which change over time.VMware Consolidated Backup (VCB) had knowledge base article http://kb.vmware.com/kb/1007479 showing the support matrix for storage devices and multipathing. VMware does not provide a similar support matrix for VDDK and VADP. Customers must get this information from you, their backup software vendor.