Mac OS X 10.1.0

Mac OS X 10.1.0 was the first release of Mac OS X 10.1 (Puma) that appeared on all the installation CD-ROMs. It was officially released on September 26, 2001, just over six months after the initial release of Mac OS X.


 * For key enhancements and new features, see the main article Mac OS X 10.1.