You could spend hours debating about which operating system is the best for computers, but one undeniably advantage that OS X has over Linux and Windows is its simplicity and stability. The other two operating systems may be much more customizable or support a wider range of software, but OS X is easier to use, and people are less likely to run into issues. According to Apple CEO Tim Cook, this is why IBM is saving thousands tens of thousands of dollar in support costs by adopting Macs, with about $270 in savings per Mac.