MacFixIt Answers is a weekly feature in which we answer questions e-mailed in by our readers. We welcome alternative approaches and views from readers and encourage you to post your own suggestions in the comments.
Understanding what happens when your Mac boots may help when troubleshooting problems during the boot process.
Sometimes people who have just reinstalled OS X on their systems or migrated to a new boot device may find a folder entitled "Boot OSX" appearing on their desktops.
Booting Windows XP on Intel-based Macs (#2)
OS X is built as a multitasking, multi-user environment in which resources are "shared" between various processes and tasks, which enables simultaneous processing of tasks. Essentially, the whole system is a bunch of independent processes, and while so