User-Mode Linux (UML) is another approach that modifies a guest Linux kernel to run on top of another Linux operating system (without hypervisor extensions).

User - Mode Linux (uml)则是另一种方式，它能修改guest Linux内核使其运行在另一个Linux操作系统上(无hypervisor扩展)。

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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

Next up, according to Soni, will be the applications and database software that run on top of Linux.

FORBES: Magazine Article

Let's start with the basic premise of Firefox OS. Like Chrome OS, there's little more here than a web browser running on top of Linux.

ENGADGET: Firefox OS is repeating the mistakes of others and hoping for a different outcome