Here's a list of various en/FileGuide/* pages, that need to be updated since the IO object was never a part of the platform (bug 414901): https://developer.mozilla.org/en/FileGuide/TOC This page also lists some older pages that use the standard XPCOM APIs for the same purpose. They appear to duplicate at least some information in the File Guide.
Component: Documentation Requests → Documentation
Product: Mozilla Developer Network → Mozilla Developer Network
Component: Documentation → General
Product: Mozilla Developer Network → Developer Documentation
Component: General → Mozilla Platform
Whiteboard: u=mozdev p=0
Priority: -- → P5
Whiteboard: u=mozdev p=0 c=Platform
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