LinuxCNC 2.6.32 on Ubuntu 10.04 LTS. It's a Dell desktop, Intel i5-2400 at 3.1ghz, 8gb ram, 64 bit. I have 2 machines running LinuxCNC, one is on the same 10.04, it's an old Bridgeport mill that I retrofitted. The other is using the latest 2.8 version on an engraver table I put together last...