Next, we installed the main operating system using the Fedora 10 x86_64 release distribution.

接下来，我们将使用Fedora 10 x86_64发行版安装主操作系统。

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In contrast, AIX is broken down into four main operating system levels: version, release, technology level (TL), and service pack (SP).

相比之下，AIX分为四个主要的操作系统级别：版本、发行版、技术级(TL)和服务包(SP)。

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We chose the Fedora 10 x86_64 distribution as the main operating system mainly due to the stability and up-to-date release of KVM used by the distribution.

我们选择Fedora 10 x86_64发行版作为主操作系统，主要是考虑到该发行版使用的KVM具有良好的稳定性，并且是最新版本。

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If more horsepower is needed, then the user can quickly switch into the main operating system, which Cloud continues to load in the background.

ECONOMIST: Google goes in search of an instant operating system

You upgrade the main operating system in your home so that you can gain greater functionality and speed and more features for your phone, PC, TV, etc.

CNN: Home, sweet networked home

Microsoft is hated chiefly because it represents the opposite model, proprietary software, and because its operating system, Windows, is the main rival to Linux, the best-known open-source software today.

ECONOMIST: Computer security