主要特点如下：
1，软件更新速度快
2，包管理简易高效
3，保留类ports系统
官方说明：
引用:Version 2012.12.01 of our install and rescue medium is available on our Download page. The latest snapshot contains:
arch-install-scripts 9 with an improved fstab generator
linux 3.6.8
systemd 196
the usual updates to our core packages
The next boring snapshot release is scheduled for January 2013.
下载Arch Linux 2012.12.01：https://www.archlinux.org/download/