Fine Free File Command

This is the home page for the open source implementation of the file(1) command that ships with every free operating system (OpenBSD, Linux, NetBSD, FreeBSD, etc.
Homepage:	http://www.darwinsys.com/file/
Function:	File Format Identification

Description

This is the home page for the open source implementation of the file(1) command that ships with every free operating system (OpenBSD, Linux, NetBSD, FreeBSD, etc.) and has been ported to most systems where people use free software (including OS/2, DOS, MS Windows, etc.).

User Experiences

• [2019-11-16] Linux and Unix file command tutorial with examples

Development Activity

All development activity is visible on GitHub: https://github.com/file/file/commits

Release Feed

Below the last 3 release feeds:

2024-11-27 15:37:46

[tag:github.com,2008:Repository/1303130/FILE5_46 FILE5_46]

by zoulasc

2023-07-27 19:46:14

[tag:github.com,2008:Repository/1303130/FILE5_45 FILE5_45]

by zoulasc

2022-12-26 18:18:22

[tag:github.com,2008:Repository/1303130/FILE5_44 FILE5_44]

by zoulasc

Activity Feed

Below the last 5 commits:

2025-12-27 15:29:44

[tag:github.com,2008:Grit::Commit/5184ca2471c0e801c156ee120a90e669fe27b31d fix CD-ROM .bin/.img images, from DankRank]

by zoulasc https://github.com/zoulasc

2025-12-18 18:33:33

[tag:github.com,2008:Grit::Commit/9ed4d8c65854d9d28519291f21dd92c44c4abc18 Update the PGP magic definitions to support modern standards (RFC 4880,]

by zoulasc https://github.com/zoulasc

2025-11-24 15:45:00

[tag:github.com,2008:Grit::Commit/6e3c576efe01b2666404c194f386cc81226a7659 PR/696: polluks: Fix mangled lines]

by zoulasc https://github.com/zoulasc

2025-11-24 14:22:31

[tag:github.com,2008:Grit::Commit/f47f6642343601a24877e26adff995ec1885625e Update magic from Jason Summers]

by zoulasc https://github.com/zoulasc

2025-11-22 20:59:37

[tag:github.com,2008:Grit::Commit/021a111661abd397a26700e100d9c6e62a2b9ff1 PR/964: yedaya: fix for single digit pages]

by zoulasc https://github.com/zoulasc