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[[!meta title="Multiarch"]]
Multiarch refers to the ability to install and use packages built for non-native
architectures and the ability to coinstall multiple architecture builds of any
supporting package.
It is currently being [designed][wuc-mas] and [implemented][wdo-ma] in Debian
and Ubuntu. Multiarch is useful for this distribution because it can make cross
building and cross installing easy.
Design Aspects
==============
There are three high-level design aspects to this multiarch implementation: the
filesystem hierarchy that primarily enables package coinstallability, control
information documenting package coinstallability and dependency satisfaction,
and coinstallability considerations in package management.
For more details, see the [[multiarch_design_document|dev/multiarch/design]].
Goals
=====
The design and implementation of the filesystem hierarchy is
[[a_goal_for_release_1.0|dev/releases/1]]. Package coinstallability is not a
goal for this release.
[wdo-ma]: http://wiki.debian.org/Multiarch
[wuc-mas]: https://wiki.ubuntu.com/MultiarchSpec
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