Apple has released Mac OS X Lion in the Mac App Store for $30. Separately, Apple will also begin offering Lion on a USB thumb drive in Apple stores come August. Right now, you can grab Lion from the ...

If you have a spare hard drive lying around, you could use the existing recovery partition to install the OS on to that, even if just temporarily. If you have a friend with a Mac, he could download ...

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 ...

(Note: This guide is adapted from one I found buried in Google's cache, so I thought Ars might appreciate a more accessible, updated version.)<br><br><b>Introduction</b><br><br>We all know that OS X ...

If you service Macs on a regular basis, sooner or later, you’ll absolutely need an older Mac OS X installation disc to complete a project that’s due in a very short amount of time. Under normal ...

In Part 1 of this series, we looked at how Mac OS X Server’s NetBoot process allows Macintosh machines to boot by using a server-based disk image instead of booting via a local disk. Part 1 also ...

Some people have been in situations where they would like to repair their hard drives and permissions on systems that they do not have an installation disk for, but do have access to install disks for ...