Filesystem Hierarchy Standard

Specifications Archive

The FHS 3 Specification Series

The FHS 3 specification brings the first update in years, aligning with current usage patterns.

The FHS 3.0 Specification

This is the final version of the FHS 3.0 specification. The tables below present all available formats.

FHS 3.0 was released June 3, 2015.

  HTML PDF ASCII text HTML (single file)
Generic FHS 3.0 HTML FHS 3.0 PDF FHS 3.0 text FHS 3.0 HTML (single-file)

The FHS 2 Specification Series

The FHS 2 specification series was originally published by Rusty Russell, Christopher Yeoh, and Dan Quinlan.

The FHS 2.3 Specification

This is the final version of the FHS 2.3 specification, as originally published by the original FHS editors. The tables below present all available formats.

FHS 2.3 was released January 29, 2004.

PDF PostScript ASCII text HTML SGML (source)
Generic FHS 2.3 PDF FHS 2.3 PostScript (gzipped) FHS 2.3 text (gzipped) FHS 2.3 HTML FHS 2.3 source