Mac OS X Leopard

Mac OS X 10.5 (Leopard ) is the sixth version of the operating system Mac OS X from Apple. It is the successor to Mac OS X 10.4 and was delivered on 26 October 2007 after it had to be postponed for reasons of capacity ( for the timely completion of the mobile phone iPhone ) by about half a year.

One of the greatest innovations was, apart from a modernized surface ( transparent menu bar, three-dimensional dock with " stacks " virtual workspaces " Spaces", consistent layout, new icons ), including a new page with a new sidebar, the " Cover Flow " - view the file preview "quick look" as well as the ability to search other computers in the network. In addition, a data backup software called Time Machine is integrated. Boot Camp allows on Intel- equipped Apple computers, the installation of Microsoft Windows from Windows XP with Service Pack 2 alongside Mac OS X on a separate partition. Leopard also allows the 64 -bit operation in applications with graphical user interface. Other major new features also found in Safari, Mail, iCal, iChat, Preview, and Parental Control.

Leopard meets the first derivative of the Berkeley Software Distribution commercial certification " Single UNIX Specification 03" of the Open Group and may therefore carry the brand name " UNIX".

The latest version 10.5.8 was released on 5 August 2009, the successor operating system called Mac OS X 10.6 "Snow Leopard" and was released on August 28, 2009. Leopard is the latest Mac OS X version that supports the PowerPC processor. All newer versions only run on Intel Macs.

Features / new features

Mac OS X 10.5 includes numerous programs that meet frequently used functions. Multimedia applications are missing in the delivery of the system, although almost completely, but are delivered with a software package called iLife along with the Apple hardware. For office applications, Mac OS X contains only the simple word processing program TextEdit and the calendar iCal.

Mac OS X 10.5 features, according to Apple, compared to 10.4 over 300 new features. These include, among others:

  • New Automator can create with the faster workflows
  • Improved Finder with new features
  • Boot Camp, software that can be installed on an Intel Mac Microsoft Windows
  • Animated 3D Dock
  • Video recording is possible in Photo Booth
  • Safari 3 as a browser (also available for Tiger)
  • Spotlight can now browse your computer over the network and has calculator functions
  • Spaces (multiple virtual workspaces )
  • Time Machine
  • Mail 3
  • Native support by many libraries and frameworks for 64- bit applications
  • OpenGL has been updated to the latest version 2.1
  • No support for Mac OS Classic applications more
  • Certification as a Unix
  • Core Animation
  • Dashcode


Apple 's Leopard for the following system requirements to:

  • Mac computer with an Intel processor, PowerPC G4 ( 867 MHz or faster) or G5 processor
  • At least 512 MB ​​RAM
  • FireWire ( integrated)
  • DVD drive for installation
  • 9 GB of free space on the hard disk

Leopard is available as a Universal Binary and thus supports the processor architecture type PPC ( Motorola PowerPC G4/IBM PowerPC G5 ) and x86 ( Intel Core Solo / Core Duo / Core 2 Duo / Xeon ).


On the subject of security, see the main article.

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