This is a list of operating systems with which I have experience using, installing, deploying, troubleshooting, etc.
I have used many of the BSD, Linux and Windows operating systems on physical hardware and in virtual machines.
Microsoft Hyper-V Server 2008, x64 64-bit
Microsoft Windows 2008 Server Enterprise Edition SP1, x64 64-bit with Hyper-V
Microsoft Windows 2008 Server Standard Edition, x86 32-bit without Hyper-V
Microsoft Windows 2008 Server Enterprise Edition, x86 32-bit without Hyper-V
Microsoft Windows 2008 Server Standard Edition, x64 64-bit without Hyper-V
Microsoft Windows 2008 Server Enterprise Edition, x64 64-bit without Hyper-V
Microsoft Windows Vista Ultimate Edition, x86 32-bit RTM, SP1
Microsoft Windows Vista Ultimate Edition, x64 64-bit RTM, SP1
Microsoft Windows Vista Business Edition, x86 32-bit RTM, SP1
Microsoft Windows Vista Business Edition, x64 64-bit RTM, SP1
Microsoft Windows Vista Home Premium Edition, x86 32-bit RTM, SP1
Microsoft Windows 2003 Server Standard Edition, x86 32-bit
Microsoft Windows 2003 Server Enterprise Edition, x86 32-bit
Microsoft Windows 2003 Server R2 Standard Edition, x86 32-bit
Microsoft Windows 2003 Server R2 Enterprise Edition, x86 32-bit
Microsoft Windows 2003 Server R2 Standard Edition, x64 64-bit
Microsoft Windows 2003 Server R2 Enterprise Edition, x64 64-bit