Updating mac operating system

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UNIX 03 certification was achieved for the Intel version of Mac OS X 10.5 Leopard Releases of Mac OS X from 1999 to 2005 ran on the Power PC-based Macs of that period.After Apple announced that they were switching to Intel CPUs from 2006 onwards, versions were released for 32-bit and 64-bit Intel-based Macs.Its graphical user interface was built on top of an object-oriented GUI toolkit using the programming language.

The consumer version of Mac OS X was launched in 2001 with Mac OS X 10.0.Some applications began to use a brushed metal appearance, or non-pinstriped titlebar appearance in version 10.4.A key development for the system was the announcement and release of the i Phone from 2007 onwards.Versions from Mac OS X 10.7 Lion (2011) run exclusively on 64-bit Intel CPUs, in contrast to the ARM architecture used on i OS and watch OS devices, and do not support Power PC applications.The heritage of what would become mac OS had originated at Ne XT, a company founded by Steve Jobs following his departure from Apple in 1985.

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