1、 毕业设计外文资料翻译 （译文） 题目名称 ： Embedded Linux applications: An overview 学 院 ： 计算机科学技术 专业年级 ： 计算机科学与技术 07 级 学生姓名 ： xx 班级学号 ： 1 班 16 号 指导教师 ： xx 二一一年 四 月 十 日 译文题目： Embedded Linux applications: An overview 原文题目： 嵌入 式 Linux 应用：概述 原文出处： Internet source : http:/ -works/cn/linux/embed/embl/overview/index.html 1 E
2、mbedded Linux applications: An overview Linux now spans the spectrum of computing applications, including IBMs tiny Linux wrist watch, hand-held devices (PDAs and cell phones), Internet appliances, thin clients, firewalls, industrial robotics, telephony infrastructure equipment, and even cluster-bas
3、ed supercomputers. Lets take a look at what Linux has to offer as an embedded system, and why its the most attractive option currently available. One. Emergence of embedded systems The computers used to control equipment, otherwise known as embedded systems, have been around for about as long as com
4、puters themselves. They were first used back in the late 1960s in communications to control electromechanical telephone switches. As the computer industry has moved toward ever smaller systems over the past decade or so, embedded systems have moved along with it, providing more capabilities for thes
5、e tiny machines. Increasingly, these embedded systems need to be connected to some sort of network, and thus require a networking stack, which increases the complexity level and requires more memory and interfaces, as well as, you guessed it, the services of an operating system. Off-the-shelf operat
6、ing systems for embedded systems began to appear in the late 1970s, and today several dozen viable options are available. Out of these, a few major players have emerged, such as VxWorks, pSOS, Neculeus, and Windows CE. Two. Advantages/disadvantages of using Linux for your embedded system Although mo
7、st Linux systems run on PC platforms, Linux can also be a reliable workhorse for embedded systems. The popular back-to-basics approach of Linux, which makes it easier and more flexible to install and administer than UNIX, is an added advantage for UNIX gurus who already appreciate the operating syst
8、em because it has many of the same commands and programming interfaces as traditional UNIX. The typical shrink-wrapped Linux system has been packaged to run on a PC, with a hard disk and tons of memory, much of which is not needed on an embedded system. A fully featured Linux kernel requires about 1 MB of memory. However, the Linux micro-kernel actually consumes very little of this memory, only 100 K on a Pentium CPU, including virtual memory and all core operating system functions. With the networking
