That's it. Exit the file and save over the existing one, and you've got an immutable OS in that VM. When you boot it from now ...

Mavericks (OS X 10.9) doesn’t ship on a disc. Instead, it’s available only as an installer app downloadable from the Mac App Store, and that installer doesn’t ...

Like Lion (OS X 10.7) before it, Mountain Lion (OS X 10.8) doesn’t ship on a disc—it’s available only as an installer app downloadable from the Mac App Store ...

OS X is designed to run seamlessly on Mac hardware, but did you know that you can actually install Apple’s desktop operating system on a Windows PC and make what’s called a “Hackintosh?” Apple ...

Qubes OS is a free open-source operating system that’s fully security-oriented. It leverages Xen-based virtualization, which allows the user to create, use and delete easily isolated compartments ...

A bootable Mac OS X thumb drive comes in handy when you need to troubleshoot OS issues for yourself, your family, or your friends. It’s also extremely useful for keeping your basic setup consistent ...

Apple only sells OS X Mountain Lion as a digital download in the Mac App Store. The installer weighs in at a hefty 4.05GB, but the good news is that you can install your copy of Mountain Lion on all ...