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Arch Linux uses a rolling release model, such that a regular system update is all that is needed to obtain the latest Arch software; the installation images released by the Arch team are simply up-to-date snapshots of the main system components.
(Source: http://wikipedia.com )
Installation
This installation method produces a SD card with the official ArchLinuxARM installation. It simply performs all the steps described on the ArchLinuxARM pages for you.
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