Chapter 9. Content Negotiation and Environment Variables
This hour will show you how to configure Apache so that it can serve different versions of a Web site's content based on the client settings. It will also cover what environment variables are and how to use them, for example, to work around browser bugs. In this hour, you will learn
Environment Variables
Environment variables are variables that can be shared between modules and are also available to external processes such as CGIs and server side include (SSI) documents. (See Hour 12, “Filtering Modules,” for more information about SSI documents.) Environment ...
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