Filesystem Hierarchy Standard
| Filesystem Hierarchy Standard | |
|---|---|
| Abbreviation | FHS |
| Status | Published |
| Year started | 14 February 1994 |
| Latest version | 3.0 3 June 2015 |
| Organization | FreeDesktop.org Previously: Linux Foundation |
| Domain | Directory structure |
| Website | Official website |
The Filesystem Hierarchy Standard (FHS) is a reference describing the conventions used for the layout of Unix-like systems. It has been made popular by its use in Linux distributions, but it is used by other Unix-like systems as well. The latest version of the standard, version 3.0, was originally released on 3 June 2015 by the Linux Foundation. It was republished on 6 November 2025 by FreeDesktop, which has since assumed maintenance of the specification.