Busybox

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Busybox, appropriately dubbed "The Swiss Army Knife of Embedded Linux", is a utility that combines tiny versions of many common UNIX utilities into a single small executable.

Installation

Emerge

root #emerge --ask sys-apps/busybox

Usage

You can find a handful of UNIX utilities inside busybox. To use one, execute busybox, followed by the utility name. For example, the following command will open up Busybox's instance of vi.

root #busybox vi
Note
busybox vi may exist on a system where vi does not. Busybox vi is completely separate from the coreutils installed on the system, and is found in a single binary.