4 The Mac OS X Filesystem

In This Chapter

The Hierarchical Filesystem

Directory Files and Ordinary Files

The Working Directory

Your Home Directory

Absolute Pathnames

Relative Pathnames

Directory Commands

Access Permissions

Extended Attributes

Access Control Lists

Types of Files

Hard Links

Symbolic Links

A filesystem is a data structure (page 929) that usually resides on part of a disk and that holds directories of files. Filesystems store user and system data that are the basis of users’ work on the system and the system’s existence. This chapter discusses the organization and terminology of the Mac OS X filesystem, defines ordinary and directory files, and explains the rules for naming them. It also shows how to create and delete directories, ...

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