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BusyBox
The Swiss Army Knife of Embedded Linux
BusyBox combines tiny versions of many common UNIX 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. BusyBox provides a fairly complete POSIX environment for any small or embedded system. The utilities in BusyBox generally have fewer options than their full-featured GNU cousins; however, the options that are included provide the expected functionality and behave very much like their GNU counterparts.

BusyBox has been written with size-optimization and limited resources in mind. It is also extremely 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).

BusyBox is now maintained by Erik Andersen, and its ongoing development is being sponsored by Lineo.

BusyBox is licensed under the GNU GENERAL PUBLIC LICENSE

NEW!

BusyBox now has a mailing list mailing list! To subscribe, go and visit this page.
Latest News

  • 11 July 2000 -- BusyBox 0.46 released
    This release fixes several bugs (including a ugly bug in tar, and fixes for NFSv3 mount support). Added a dumpkmap to allow people to dump a binary keymaps for use with 'loadkmap', and a completely reworked 'grep' and 'sed' with should behave better. BusyBox shell can now also be used as a login shell. See the changelog for complete details.

  • 21 June 2000 -- BusyBox 0.45 released
    This release has been slow in coming, but is very solid at this point. BusyBox now supports libc5 as well as GNU libc. This release provides the following new apps: cut, tr, insmod, ar, mktemp, ,setkeycodes md5sum, uuencode, uudecode, which , and telnet. There are bug fixes for just about every app as well (see the changelog for details).

    Also, some exciting infrastructure news! Busybox now has its own mailing list, publically browsable CVS tree, anonymous CVS access, and for those that are actively contributing there is even CVS write access. I think this will be a huge help to the ongoing development of BusyBox.

    Also, for the curious, there is no 0.44 release. Somehow 0.44 got announced a few weeks ago prior to its actually being released. To avoid any confusion we are just skipping 0.44.

    Many thanks go out to the many people that have contributed to this release of BusyBox (esp. Pavel Roskin)!

  • Old News
    For the old news, visit the old news page.
Download
Documentation
Current documentation for BusyBox includes:
  • BusyBox.html This is a list of the all the available commands in BusyBox with complete usage information and examples of how to use each app. I spent a lot of time updating these docs and trying to make them fairly comprehensive for the BusyBox 0.43 release. If you find any errors (factual, grammatical, whatever) please let me know.
  • BusyBoxBugs.
  • If you need more help, the BusyBox mailing list is a good place to start.
Products/Projects using BusyBox
I know of the following products and/or projects that use BusyBox -- listed in the order I happen to add them to the web page: Do you use BusyBox? I'd love to know about it and I'd be happy to link to you.
Important Links


Mail all comments, insults, suggestions and bribes to Erik Andersen
The Busybox logo is copyright 1999,2000, Erik Andersen.
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