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Chapter 39. Using the Classic Environmen... > Installing and Opening Classic Appli...

Installing and Opening Classic Applications

Here are a few tips and recommendations for installing and opening Classic applications in Mac OS X.

  • The Administrator is the one who will have the fewest restrictions installing software. Make sure to log in as the Administrator (the name and password you used when you first turned on your Mac).

  • If you partitioned your disk, it’s best to install Classic applications (and store your documents) on a separate partition from the Mac OS X disk. This is primarily to avoid having access privilege problems (access privileges are discussed in Chapter 34).

    Information about partitioning your disk is in Chapter 38.

  • The next best place for installing Classic applications is in the folder called “Applications (Mac OS 9).”

    (If you partitioned your disk and installed Mac OS 9 on another partition, then this folder is on that other partition.)

  • If you can’t install a Classic application while running in Mac OS X, you’ll have to restart your Mac in OS 9 (use the Startup Disk preferences in the System Preferences) and install directly into OS 9.

    On some Macs, you can hold down the Option key when you restart to get the option to start up with either operating system, if the two operating systems are on two different partitions.

  • If a Classic application installs an old version of QuickTime, make sure you reinstall the newest version. You can find it on the Mac OS 9 CD or download it from the Apple site.

  • Time and technology move on—you can’t hang onto the same software package you’ve owned for ten years and expect it to work with Classic. I’m afraid you’ll have to upgrade if you’ve got really old stuff that won’t work in Classic.

  • As mentioned on page 692, Classic opens with a certain set of extensions, which might not include any special extensions that your application needs to run properly. Manage your extensions with the features mentioned on pages 691–692. If you don’t know what extensions are or have any idea how to manage them, please call your local guru to come help you. Extension conflicts can be tricky and frustrating.

  • Some applications are what’s called “Carbon,” which means they can open in both Mac OS 9 and OS X. Sometimes an application is capable of opening in OS X, but some of its features depend on extensions installed in Mac OS 9. In this case, you need to open the application in Classic (Mac OS 9) to get full functionality. To force an application to open in Classic, use the Info window.



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