MAC OS X Leopard
An operating system developed by Apple_Computer.html Leopard OS is the sixth major upgrade to to Mac OS X since it was first released in 2001. Apple states the new OS contains more than 300 features with some of the more significant changes being a new desktop interface, file restoration features (called Time Machine), better music and file sharing and searching, parental controls, 'Spaces' which enables users to group applications and windows, iChat, and more. The Leopard OS also features "Boot Camp," which will enable users to install a copy of Windows on Intel-based Macs. However both operating systems cannot run at the same time. Also informally called Leopard OS.