Introduction to Interacting with the Operating System

This topic describes a variety of classes that give you access to some of the functionality of the operating system. With them, you can launch subprocesses, obtain your process’s environment variables, perform domain name lookups, locate the user’s home directory, and more.

Organization of This Document

This document contains the following articles:


Some classes are available for either Objective-C or Java, but not both. The functionality of those classes, though, are provided elsewhere in the other language.