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:

2025-11-24 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

2025-11-22 18:04:04

[tag:github.com,2008:Grit::Commit/cc0f5788d90ca6967969928b055cf888ebffa556 magic: remove incorrect commented-out amigaos magic]

by rrthomas https://github.com/rrthomas

2025-11-16 15:43:37

[tag:github.com,2008:Grit::Commit/553a69c1f93d92ce038920bd54d730c25c998215 Add CIS/CSO images (Robert Jäschke)]

by zoulasc https://github.com/zoulasc