# Filesystem Hierarchy Standard

Version &specversion;
March 19, 2015
LSB Workgroup, The Linux Foundation LSB Workgroup, The Linux Foundation
2015 The Linux Foundation
1994-2004 Daniel Quinlan
2001-2004 Paul 'Rusty' Russell
2003-2004 Christopher Yeoh

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Permission is granted to make and distribute verbatim copies of this standard provided the copyright and this permission notice are preserved on all copies.

Permission is granted to copy and distribute modified versions of this standard under the conditions for verbatim copying, provided also that the title page is labeled as modified including a reference to the original standard, provided that information on retrieving the original standard is included, and provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one.

Permission is granted to copy and distribute translations of this standard into another language, under the above conditions for modified versions, except that this permission notice may be stated in a translation approved by the copyright holder.

This standard consists of a set of requirements and guidelines for file and directory placement under UNIX-like operating systems. The guidelines are intended to support interoperability of applications, system administration tools, development tools, and scripts as well as greater uniformity of documentation for these systems.

This release is dedicated to the memory of Christopher Yeoh, a long-time friend and colleague, and one of the original editors of the FHS. Without his dedication this work would not have been possible.

&chap-intro; &chap-filesystem; &chap-root-filesystem; &chap-usr; &chap-var; &chap-os; &app-appendix;