它加入了一个小的基于RAM的OS和用于管理和安全功能的工具集，这样就可以让使用任何Linux发行版本编译的应用程序包在其上运行。
It incorporates a small RAM-based OS and toolset for administration and security functions, and then allows applications bundles, built using any Linux distribution, to run on top of it.
自上一版本7.2发行以来，已经有两年了，因此它算不上那么‘小’。
It has been two years since the 7.2 release, thus it's not that 'minor'.
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