The first part of this article covers the background of how a Linux system is started once the Linux kernel (the "core" of the Linux machine) has loaded.

本文的第一部分介绍当 Linux 内核（Linux 机器的的“核心”）加载后，一个 Linux 系统怎样在后台启动。

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Some distros, like Red hat Enterprise Linux and SUSE Linux Enterprise server are designed primarily for companies that use Linux on servers.

一些发行套件，像Rad Hat企业版和SUSE企业版主要是为一些使用Linux作服务器的企业使用的。

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So, there are three Linuxes: the Linux kernel, the Linux OS, and the various Linux distributions.

所以，Linux一共有三种含义：Linux内核，Linux操作系统和各种各样的Linux发行版。

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Google is basing the new product on its Chrome Web browser and the Linux open-source operating system.

VOA: special.2009.07.17

Now, in the world of Linux and Unix more generally, both of which are our operating systems that had been around for many, many years, Mac OS is based on one of-- one version thereof.

在Linux和Unix里更广泛，对了，这两个都是历史悠久的,操作系统，就连Mac操作系统,都是基于它的一个版本设计出来的。

哈佛公开课 - 计算机科学课程节选

It's a little more involved on a PC but it's all free, the software you can download, and Linux in similar operating systems generally come with a compiler or you run a simple command to get it.

在PC机上有点复杂，但是它是免费的，你一般下载的软件，类似Linux的操作系统等等通常都需要,一个编译器，或者你可以运行一些简单的指令来获取。

哈佛公开课 - 计算机科学课程节选

"We'd be fools not to worry about large companies coming into our space, " said Chris DiBona, Linux community evangelist for VA Linux.

CNN: The big business of Linux

Day job at VA Linux Systems, a top Linux software firm that rose a record 700% the day it went public in December.

FORBES: Proving their net worth

"The Linux Foundation is happy to see ARM and Linaro increase their investment in Linux, " said Jim Zemlin, executive director of The Linux Foundation.

ENGADGET: ARM, Samsung, IBM, Freescale, TI and more join to form Linaro, speed rollout of Linux-based devices