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The documentation under this node contains developer-related information for the following types of drivers:
File system drivers. Developing a new file system is almost always unnecessary and requirements/specifications for new file system drivers aren't predictable. For this reason, the documentation is limited to INF creation and sample code.
File system (FS) filter drivers, also known as minifilter drivers or minifilters.
Other resources
For DDI reference pages, see the programming reference.
For driver certification information, see the Windows Hardware Lab Kit (HLK). Tests for file systems and minifilter drivers are found under Filter.Driver.
For community support, OSR offers various training resources for file system filter developers. They also host community discussion forums such as the Windows File Systems and Minifilters Devs Interest List. These forums enable you to ask questions and communicate with filter driver developers from around the world.