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BusyBox combines tiny versions of many common utilities into a single small executable. It provides minimalist replacements for most of the utilities you usually find in fileutils, shellutils, findutils, textutils, grep, gzip, tar, etc., and provides a fairly complete POSIX environment for any small or embedded system. BusyBox was written with limited resources and size-optimization in mind. It is also modular so you can easily include or exclude commands (or features) at compile time. This makes it easy to customize your embedded systems. To create a working system, just add a kernel, a shell (such as ash), and an editor (such as elvis-tiny or ae). For a really minimal system, just use the busybox shell (not a POSIX shell, but very small and quite usable).


User README available in HTML format from User manpage available in HTML format from


Download version 1.0.1 (stable)
released on 18 August 2005

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LicenseVerified byVerified onNotes
GPLv2Janet Casey13 December 2000

Leaders and contributors

Erik AndersenMaintainer
Kent Robotti Contributor
Larry DoolittleContributor
Matt KraaiContributor

Resources and communication

Audience Resource type URI
Bug Tracking VCS Repository Webview
Developer VCS Repository Webview
Developer E-mail
Support E-mail

Software prerequisites

This entry (in part or in whole) was last reviewed on 21 October 2009.


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