8.1. Introduction to Hard Disk Partitions
All hard disks used by Linux and other operating systems on PC hardware are divided into one or more non-overlapping regions called partitions. Sometimes an entire hard disk will be taken up by one partition, but usually your system will have at least two partitions on the primary disk—one for the root filesystem, and one for virtual memory (also known as swap space). As explained in Chapter 5, each partition can be used for either a single filesystem or for virtual memory.
Every partition has a type which identifies the kind of data that it stores. There is a type for Linux filesystems, a type for Linux swap space, a type for Windows filesystems, and many more. Almost every kind of operating system that ...
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