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Panel configures the startup volume and allows manual startup and shutdown. You can also use theĬontrol+Option+Escape keystroke to force it to quit.įigure 4.4 The Classic System Preferences Mac OS 9.x crashed (as it tends to do from time to time). The Classic environment will reboot.įorce Quit-If Classic becomes unresponsive (that is, it crashes), Open applications will prompt you to save open documents,Īnd then exit. Restart-The Restart button is equivalent to choosing Restart from Start/Stop-Click the Start button to launch Classic manually or Yourself accidentally starting Classic by double-clicking legacy files, and so Prompt you each time it is able to launch the Classic environment.

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Warn Before Starting Classic-Use this option to force Mac OS X to Performance will be degraded during this time. Warned the Classic environment takes a few minutes to start and your system You're using Mac OS X as a single-user system), click this button. Up immediately after you log in to your computer (or immediately at startup, if Start Classic When You Log In-If you'd like Classic to start Will be able to boot to the Mac OS 9 partition, bypassing Mac OS X in case of an

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Recommended that you use a separate drive or partition for Mac OS 9.x, as you Select a Startup Volume for Classic-Mac OS X can start theĬlassic environment by booting any available Mac OS 9.x system. Theįollowing options are found in the Start/Stop tab of the Classic panel: The Classic Preferences panel can control how and when Classic boots. The basic Classic controls are shown in Figure Preferences), and then click the Classic icon. First, open System Preferences (path: /Applications/System Stop the Classic environment, you can do so from the Classic System Preferences If you have multiple Mac OS 9.x installations, or want to manually start or Manually Starting and Configuring Classic Double-clicking theĪpplication will launch it in Classic rather than in Mac OS X until the box is To launch a Carbon application in Classic, check the Open in the ClassicĮnvironment check box, and then close the info panel. Figure 4.3 Carbon applications can beįorced to launch in the Classic environment. FigureĤ.3 shows the General Information panel for a Carbon application. There is a setting within the General Information panel that can force a Carbon-compliant If you'd like to use the Classic environment to launch a Carbon application, Of running natively on Mac OS X, and on Mac OS 9.x through the use of CarbonLib. Forcing Carbon Apps into ClassicĬarbon applications are a special case of Mac OS X application. You might not have as much real or virtual memory available. Your settings here will carry over if you boot directly into Mac OS 9.x, where

Higher than you would in older versions of the Mac OS. To take advantage of the new Mac OS X memory architecture, set these values This is the upper limit of the memory partition that will be requested Preferred Size-The amount of memory that you want the application

The Mac OS 9.x environment will prohibit theĪpplication from launching unless the minimum memory size can be met. Minimum Size-The minimum amount of memory that an application Because you have no directĪccess to the 9.2 Finder under OS X, Classic applications have an additional

Require a preferred and minimum memory size to be set. Figure 4.1 The General Information panelĬlassic applications, because they still use the Mac OS 9.x Memory Manager, Panel for the Graphing Calculator, a Classic application. Or Control-click on the icon and choose Get Info from the contextual menu. Select the icon and select Get Info (Command+I) from the Finder's File

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To verify that a piece of software is indeed a Classic application, you can There are two ways to launch the Classic environment: by double-clicking aĬlassic application and through the Classic panel within System Preferences.Ĭlassic applications appear to the Mac OS X Finder just like any other application. Might need to manually restart the Classic environment. The Mac OS X system will be unaffected, but you If an application crashes in Classic, it can bring down allĪpplications running in Classic. Classic does not gain all the stability features of Mac OS X, such as