英语翻译计算机英语高手能帮下吗?希望能手动翻译,感激不尽.Traditional embedded operating
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英语翻译
计算机英语高手能帮下吗?希望能手动翻译,感激不尽.
Traditional embedded operating systems go to great lengths to tout the size and efficiency of their kernels.Realistically,viable commercial OS configurations come in at 128-256 KB for a reasonably configured kernel,another 100-200 KB for a TCP/IP stack and sockets library,and for a web appliance,50-150 KB for a HTTP server,plus a minimum 64 KB of working RAM.An embedded system software profile of 800 KB to 1 MB no longer looks gargantuan!These same vendors point out that a desktop distribution of Linux runs into the hundreds of megabytes.Well,they are right.When you embed Linux,you choose only those components that make sense for your application.Don't need read/write file system?Don't use it!The same logic applies to networking,GUI,shells,and countless other utilities and libraries.If your project does need more functionality than fits into local non-volatile storage,you can craft either a tiny Linux boot loader,a stand-alone bootable Linux system,or a slim Linux kernel that pulls down additional modules and application code over a network,frequently in 500 KB or less!
计算机英语高手能帮下吗?希望能手动翻译,感激不尽.
Traditional embedded operating systems go to great lengths to tout the size and efficiency of their kernels.Realistically,viable commercial OS configurations come in at 128-256 KB for a reasonably configured kernel,another 100-200 KB for a TCP/IP stack and sockets library,and for a web appliance,50-150 KB for a HTTP server,plus a minimum 64 KB of working RAM.An embedded system software profile of 800 KB to 1 MB no longer looks gargantuan!These same vendors point out that a desktop distribution of Linux runs into the hundreds of megabytes.Well,they are right.When you embed Linux,you choose only those components that make sense for your application.Don't need read/write file system?Don't use it!The same logic applies to networking,GUI,shells,and countless other utilities and libraries.If your project does need more functionality than fits into local non-volatile storage,you can craft either a tiny Linux boot loader,a stand-alone bootable Linux system,or a slim Linux kernel that pulls down additional modules and application code over a network,frequently in 500 KB or less!
传统的嵌入式操作系统过于吹捧其内核的大小和效率.实际上,可行的商业操作系统配置需要128-256kb用于合理配置内核,加上100-200kb用于TCP/IP堆栈以及socket库,对于网络应用,http服务器需要50-150kb,加上至少64kb的工作内存.800kb到1Mb的嵌入式操作系统已经不再让人感觉庞大了!那些销售商们说Linux的桌面版本已经达到上百兆了.对,他们说的没错.当你嵌入Linux时,你可以只选择对你应用有意义的组件.不需要读/写文件系统?那就不要使用这个组件!同样的原则也适用于网络、用户图形界面、外壳以及许多其他工具和库.如果你的工程中除了本地稳定存储之外还需要更多的功能,你可以制作一个小型Linux启动加载程序,或者一个可单独启动的Linux系统,或一个精简了附加模块和网络程序代码的简化版Linux内核,通常只有500kb或更小!
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