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Linux/Unix 设计思想 一书主要介绍了 unix 系统设计中的一些原则，其中包含了九个主原则和十个原则。九大主原则 SMALL 即 小即是美。小则灵活，并易于改变去适应变化。而大则牵一发而动全身，一旦改变就会伤筋动骨。说到这个原则，就想起我们 it 界那个长久以来口口相传的笑话，说工程师老是被pd说改需求改需...
Main difference between Ubuntu and Linux is that Linux is a family of free and open source Unix-like operating systems, while Ubuntu is a single Linux distribution. Linux represents a range of operating systems suitable for many types of machines from personal computers to supercomputers, while Ub...
Linux & the Unix PhilosophyLinux and Unix Philosophy - Gancarz - 2003 () Citation Context ...se, readable fashion. Keep it Simple This principal ties in with another: “Write Cohesive Code”. The Unix philosophy agrees with these two Agile principals with one of their own: “Small is ...
一般情况下高效率和可移植性是不能够同时兼得的,在Linux/Unix软件的开发过程中,开发人员倾向于取可移植性而适当舍弃高效率。原因在于高效率往往意味着要与硬件进行绑定,然后计算机芯片的发展速度十分迅猛,新架构的芯片的推出速度不断提高,性能变的越来越强,价格越来越便宜。当移植到更新的平台时,高效率软件往往...
Linux and the Unix Philosophy(2) 小即是美 在Unix和Linux中开发的程序只专注于某一特定的功能,软件在执行该功能时所需要的其他功能由其他已经存在的软件完成。例如当开发一个把文件A复制到文件B的程序,该软件就只专注于将A复制到B ,至于检测A,B是否存在,A中内容是否为空等其他辅助功能均由其他小程序...
The difference between Linux and Windows begins with their history and evolution. At one time, Windows was the dominant desktop operating system, in an era where the desktop was the context to most computing. The advent of Local area networks (LANs), the Internet, and the World Wide Web inf...
Linux and the Unix Philosophy falls squarely between the "softer" texts on iterative software design and project management and the "how-to" technical texts. Thus far, no one has come out with a book that addresses this topic, either in the Unix space or the Linux space. Linux and the ...
Both Linux and the BSDs are free and open-source, Unix-like operating systems. They even use much of the same software -- these operating systems have more things in common than they do differences. So why do they all exist? There are more differences than we can cover here, especially ...
Thus, hard IRQ stacks and soft IRQ stacks are very similar to the exception stacks described in the section "Identifying a Process" in Chapter 3; the only difference is that the thread_info structure coupled with each stack is associated with a CPU rather than a process. The hardirq_ctx ...