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  • 8/4/2019 MAC OS X LION 1



  • 8/4/2019 MAC OS X LION 1


    Mac OS X Lion (version 10.7) is set to be the eighth

    major release of Mac OS X, Apple's desktop andserver operating system for Macintosh computers.Lion is set to be released in July 2011.On June 6, atApple Worldwide Developers Conference 2011, it

    was announced that the official release for Lionwould be in July 2011 and that, unlike previousversions, which were released on a set of CD-ROMsor a DVD-ROM, Lion would only be available as a

    download from the Mac App Store for US$29.99 forthe Desktop Version. The Server portion of Lion willbe available as a separate download from the MacApp Store for US$49.99.

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    System Requirementsy x86-64 processor (Macs with an Intel Core2 Duo,

    Intel Core i3, Intel Core i5, Intel Core i7, or Xeon

    processor.)yAt least 2GB of memory

    y Latest version of Mac OS X Snow Leopard (10.6.8),with the Mac App Store installed

    yAt least 4GB of disk space for downloading

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    The only prior version of OS X thatsupports the Mac App Store is SnowLeopard, implying that any machinesthat support Lion currently running

    Tiger or Leopard will first have to beupgraded to Snow Leopard, asopposed to allowing a direct

    upgrade to Lion. A preview of Lionwas publicly unveiled at Apple's"Back to the Mac" event on October

    20, 2010.

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    Hardware support

    y The first developer preview of Lion added TRIM support for solid-statedrives (SSDs) shipped with Macs.

    y In computing, a TRIM command allows an operating system to inform asolid-state drive (SSD) which blocks of data are no longer considered in

    use and can be wiped internally. While TRIM is frequently spelled incapital letters, it is not an acronym; it is merely a command name.hipping with current MacBook Pros.

    y A solid-state drive (SSD) is a data storage device that uses solid-statememory to store persistent data with the intention of providing access inthe same manner of a traditional block i/o hard disk drive. SSDs aredistinguished from traditional hard disk drives (HDDs), which areelectromechanical devices containing spinning disks and movableread/write heads. SSDs, in contrast, use microchips which retain data innon-volatile memory chips.

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    Features of MAC OS LIONAddress Book - now uses an iPad-like user interface

    AirDrop Lion-to-Lion direct file sharing via Wi-Fi Direct. No wireless access point required.

    Address space layout randomization Address space layout randomization (ASLR), a security

    technique that puts important data in unpredictable locations, making it harder to target known

    weaknesses, is available for 32-bit applications, and "has been improved for all applications", in


    Emoji support Apple has added a new Emoji font commonly used in chat to express ideograms.

    FileVault now offers full disk encryption added security with XTS-AES 128 data encryption. Supportfor FileVault on external hard drives has also been added.

    Font Book 3 Font Book 3 now provides more flexible displays of character glyphs supplied by a

    particular font face. Duplicate font files are now flagged with a warning icon, and can be fixedautomatically or resolved manually.

    Full-screen apps Native, system-wide support for full-screen applications. Supportingapplications display a new button at the top right of application window, this button opens

    applications in full-screen mode.

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    High-quality multilingual speech voices Apple allows you to download new high-quality voices in more than forty languages and dialects.iChat now has support for logging into Yahoo! Messenger. Users can audio- and video-chat

    with other iChat users using their Yahoo! accounts.Languages/Localisation Arabic, Czech, Turkish and Hungarian are added as full systemlanguages, to make the total number of twenty-two languages available in Mac OS X.Launchpad An application launcher that displays an icon grid of installed applications.It features the ability to make multiple pages and group apps into folders that function thesame as foldersMac App Store An application store built in the image of the iOS App Store. Like in iOS,it will provide ways for shoppers to discover apps, one-click installation of apps, and one-click updates of all or selected installed applications.Mail 5 Uses an iPad-like user interface, has a fullscreen-optimized view, uses

    chronological "Conversations" to organize messages, and supports Exchange 2010.Mission Control - replaces the "All windows" Expos feature. It gives an overview of allrunning applications just like "All windows" but groups windows from the sameapplication. At the top of the screen it gives quick access to the Dashboard, Spaces, andrunning full screen applications.

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    Recovery Partition Apple has introduced a recovery partition that includesutilities generally found on the OS X discs. This partition will allow the user to

    restore their computer to its original factory state.

    Resume Applications resume in the same state when re-opened

    Safari With full-screen mode and the new WebKit2 layout engine.System Information This feature is a re-design of "About This Mac" and hasbeen completely altered with new views which display graphical information on

    displays, storage devices, memory usage along with other hardware


    TextEdit -gains a new graphical toolbar with font selection and text highlighting.

    The new TextEdit also supports Apple's new automatic file saving and versionstechnologies.

    Versions Time Machine like saving and browsing of past versions ofdocuments for applications written to use Versions.

    Vertical text Lion supports vertical layouts for East Asian languages.

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    Server featuresWiki Server 3 Making it easier to collaborate, share, and exchange information. Userscan quickly switch between a server's home page, My Page, Updates, Wikis, People,

    and Podcasts. File sharing is simpler, and a new Page Editor is added for easy


    File Sharing for iPad Lion Server delivers wireless file sharing for iPad. Enabling

    WebDAV in Lion Server gives iPad users the ability to access, copy, and sharedocuments on the server from applications such as Keynote, Numbers, and Pages.

    Profile Manager Profile Manager delivers simple, profile-based setup andmanagement for Mac OS X Lion, iPhone, iPad, and iPod touch devices. It also

    integrates with existing directory services and delivers automatic over-the-air profile

    updates using the Apple Push Notification service.

    Dropped featuresA Java Runtime Environment (JRE) is no longer installed by default, but can beinstalled on demand.

    Adobe Flash Playeris no longer installed by default and must be installed manually.

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    History of MAC OS Xy 10.0 Cheetah

    y 10.1 Puma

    y 10.2 Jaguary 10.3 Panther

    y 10.4 Tiger

    y 10.5 Leopard

    y 10.6 Snow Leopard

    y 10.7 Lion

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