With a new version of the Macintosh operating system named Leo, a superslim new MacBook Air, and application updates iLife, Apple CEO Steve Jobs has been on stage with a characteristic flourish to an October 20 event.

At crowd during an act with the appearances of executives Tim Cook (who said that the momentum in the Mac “has never been greater”) and Phil Schiller, Apple has released several new products for the holidays – including a preview of the next Mac OS version, called the Lion.

“What is the philosophy behind the Mac OS X Lion? Well, that’s where the” Back to Mac “thing coming,” Apple CEO Steve Jobs said. With it, the company plans to make many features developed for the iPhone and the Macintosh operating system IPAD, features such as multi-touch screen function App Store, and completely.

Clicking on downloads, automatic updates and free applications such as prepaid, the Mac App Store will be a key element of the new OS. And a “launch pad” feature will make it easy to organize and launch apps in the new version of the operating system.

Multi-touch functionality is built into many new features — notably Mission Control, a new view of the Mac desktop — though support for the touch interface is limited to users with touch-sensitive trackpads or mice. Look for Lion in the summer of 2011, Jobs said.

iPhoto app has a slide show feature with new models of pleasure, a new places to see in full screen and a new full-screen preview of all albums, including Facebook and Flickr. The software also allows users to print greeting cards elegant. iMovie app includes new audio editing, new effects, a “people search” that can detect faces, and more.

The application has a new film “Sharing” menu that allows you to pump your videos to various services and friends. GarageBand, a good part of the iLife suite designed to assist in making your own music, has a new “Groove matching” feature that automatically corrects the songs that are out of rhythm. Xander Soren, head of product proved app, joked that this feature is extremely useful.