그냥.

Mac OS X 10.5 Leopard EULA, Section 2A: "This License allows you to install, use and run one (1) copy of the Apple Software on a single Apple-labeled computer at a time."

10.6

2. Permitted License Uses and Restrictions.
A. Single Use License. Subject to the terms and conditions of this License, unless you have purchased a Family Pack or Upgrade license for the Apple Software,
you are granted a limited non-exclusive license to install, use and run one (1) copy of the Apple Software on a single Apple-branded computer at a time. You agree not to install, use or run the Apple Software on any non-Apple-branded computer, or to enable others to do so.