Arch Linux (or Arch /ˈɑrtʃ/) is a Linux-based operating system for i686 and x86-64 computers. It is composed predominantly of free and open source software, and supports community involvement.
The design approach of the development team focuses on simplicity from a developer's standpoint rather than a user's standpoint, elegance, code correctness, and minimalism. A package manager written specifically for Arch Linux, pacman, is used to install, remove and update software packages.
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.
Read more about Arch Linux: History, Design and Principles, Installation
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