Introduction

A filesystem is Linux's mechanism for organizing the contents of the various types of mass storage (e.g., hard disk, floppy disk, or CD-ROM) and presenting them to the user. To better understand the applicable commands, the following cursory description of the structure of a filesystem is presented next (see also the diagram in Figure 12-1).

Figure 12-1. Filesystem Structure

The boot block contains information necessary for Linux to access the filesystem. The superblock contains information about the structure of the filesystem itself (length, size, and location of the inode tables; usage information; size of the cylinder groups). ...

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