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A new and improved Automator , with easy starting points to easily start a workflow. It also can quickly create or edit workflows with new interface improvements. Now it can use a new action called "Watch Me Do" that lets you record a user action like pressing a button or controlling an application without built-in Automator support and replay as an action in a workflow.
Back to My Mac , a feature for MobileMe users that allows users to access files on their home computer while away from home via the internet. Boot Camp , a software assistant allowing for the installation of other operating systems, such as Windows XP SP2 or later or Windows Vista , on a separate partition or separate internal drive on Intel-based Macs.
Dashboard enhancements, including Web Clip, a feature that allows users to turn a part of any Web page displayed in Safari into a live Dashboard widget, and Dashcode to help developers code widgets. Rory Prior, on the ThinkMac blog, criticized the shelf-like Dock along with a number of other changes to the user interface.
Front Row has been reworked to closely resemble the interface of the original Apple TV. In previous versions of Mac OS X, the icon would show July 17 in the icon any time the application was not running but the current date when the application was running. To-dos use a system-wide service that is available to all applications. Podcast Capture , an application allowing users to record and distribute podcasts. Preview adds support for annotation, graphics, extraction, search, markup, Instant Alpha and size adjustment tools.
Spaces , an implementation of virtual desktops individually called "Spaces" , allows multiple desktops per user, with certain applications and windows in each desktop. The auto-switching feature in Spaces has annoyed some of its users. Apple added a new preference in In Analyzing the feature for TidBITS , Joe Kissell pointed out that Time Machine does not create bootable copies of backed-up volumes, does not back up to AirPort Disk hard drives and will not back up FileVault encrypted home directories until the user logs out, concluding that the feature is "pretty good at what it does" but he will only use it as part of a "broader backup strategy".
As well as this, the Apple icon is now black instead of blue. Prior, on the ThinkMac blog, criticized a number of changes to Leopard's user interface, including the transparent menu bar and the new folder icons. According to Apple, it is the most natural and understandable voice yet. Existing bit applications using those libraries and frameworks should continue to run without the need for emulation or translation. Xcode 3. The main goal of Core Animation is to enable the creation of complex animations with small amounts of program code.
Apple integrates DTrace from the OpenSolaris project and adds a graphical interface called Instruments previously Xray. DTrace provides tools that users, administrators and developers can use to tune the performance of the operating system and the applications that run on it. The FSEvents framework allows applications to register for notifications of changes to a given directory tree. Apple later clarified that a read-only version of ZFS would be included. Library Randomization Leopard implements library randomization ,  which randomizes the locations of some libraries in memory.
Vulnerabilities that corrupt program memory often rely on known addresses for these library routines, which allow injected code to launch processes or change files. Library randomization is presumably a stepping-stone to a more complete implementation of address space layout randomization at a later date. Application Layer Firewall Leopard ships with two firewall engines: Unlike IPFW, which intercepts and filters IP datagrams before the kernel performs significant processing, the Application Layer Firewall operates at the socket layer, bound to individual processes.
The Application Layer Firewall can therefore make filtering decisions on a per-application basis. Of the two firewall engines, only the Application Layer Firewall is fully exposed in the Leopard user interface. It also makes several policy exceptions for system processes: RBAC is intended to prevent, for example, an application like Mail from editing the password database.
Application Signing Leopard provides a framework to use public key signatures for code signing to verify, in some circumstances, that code has not been tampered with.
Signatures can also be used to ensure that one program replacing another is truly an "update", and carry any special security privileges across to the new version. This reduces the number of user security prompts, and the likelihood of the user being trained to simply clicking "OK" to everything. Secure Guest Account Guests can be given access to a Leopard system with an account that the system erases and resets at logout.
This is due to the lack of AltiVec support in the G3 line of processors. As of mid, some Apple computers have firmware factory installed which will no longer allow installation of Mac OS X Leopard. Users who have access to supported hardware have installed Leopard on the supported machine then simply moved the hard drive to the unsupported machine.
However, more recently it has been reported   that with some more work and use of kernel extensions from XPostFacto, Tiger and beta builds of Leopard, the OS can be made to run on G4-upgraded Macs as old as the Power Macintosh , despite the lack of AGP-based graphics. While Leopard can be run on any Mac with a G4 or later processor, some functionality such as Front Row or Time Machine fails to work without a Quartz Extreme -capable graphics card, which many of the earlier G4s did not include in their factory specification.
Since Apple moved to using Intel processors in their computers, the OSx86 community has developed and now also allows Mac OS X Tiger and later releases to be installed and run successfully on non-Apple xbased computers, albeit in violation of Apple's licensing agreement for Mac OS X.
Packaging[ edit ] The retail packaging for Leopard is significantly smaller than that of previous versions of Mac OS X although later copies of Tiger also came in the new smaller box. It also includes a lenticular cover, making the X appear to float above a purple galaxy, somewhat resembling the default Leopard desktop wallpaper.
Apple is careful to point out that Snow Leopard isn't a complete system overhaul, but rather a collection of hundreds of smaller refinements to make Leopard run more gracefully. Hidden among smaller tweaks are some technical improvements that result in a smoother, easier-to-use Leopard with plenty for Mac fans to be excited about. The user interface and everyday tasks feel faster in general, although we didn't notice a substantive improvement in application performance. Finally you will be able to connect with Exchange Servers without using Microsoft's Entourage , but only if your company is using Microsoft Exchange ; many still aren't.