["FileSystem"] > FilesystemHierarchyStandard


The Filesystem Hierarchy Standard (FHS) defines the main directories and their contents in Linux and other Unix-like computer operating systems.

Overview

The process of developing a standard ["filesystem"] hierarchy began in August 1993 with an effort to restructure the file and directory structure of ["Linux"]. The FSSTND (Filesystem Standard), a filesystem hierarchy standard specific to the Linux operating system, was released on February 14, 1994. Subsequent revisions were released on October 9, 1994 and March 28, 1995.

In early 1996, the goal of developing a more comprehensive version of FSSTND to address not only Linux, but other Unix-like systems was adopted with the help of members of the BSD development community. As a result, a concerted effort was made to focus on issues that were general to Unix-like systems. In recognition of this widening of scope, the name of the standard was changed to Filesystem Hierarchy Standard or FHS for short.

The FHS is maintained by the Free Standards Group, a non-profit organization consisting of major software and hardware vendors, such as HP, IBM and Dell. Still, the vast majority of the Linux distributions, including those developed by members of the Free Standards Group, do not follow this proposed standard. In particular, paths specifically created by the FHS editors, such as /media/ and /srv/, do not see widespread usage. Some Unix and Linux systems break with the FHS in favor of a different approach, as in ?GoboLinux.

Directory structure

All files and directories appear under the ["root directory"] "/", even if stored on different physical devices.

A description of the hierarchy specified in the FHS

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?CategoryFileSystem