Allocate Memory to Classic Applications
Mac OS X manages memory very well. In the Classic environment, Mac OS 9 is not so good at it. If a particular Classic application crashes regularly, it might be because it needs more RAM (random access memory) to accomplish what you’re trying to do. If you don’t have a lot of RAM (like 256 megabytes or less), don’t try to open more than one or two applications in Classic. If you have plenty of RAM (or at least plenty for your most-used applications), you can allocate more memory to your Classic applications. (It’s not possible, nor is it necessary, to allocate more memory to OS X applications.)
If you don’t know what RAM is, or if you want to know how much you have in your Mac, see pages 220 or page 258. ...
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