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权限 Operating systems in the Unix tradition differ from those in the MS-DOS tradition inthat they are not only multitasking systems, bu... 阅读全文
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键盘高级操作技巧 I often kiddingly describe Unix as “the operating system for people who like to type.” Ofcourse, the fact that it even has a ... 阅读全文
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从 shell 眼中看世界 In this chapter we are going to look at some of the “magic” that occurs on the commandline when you press the enter key.... 阅读全文
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重定向 In this lesson we are going to unleash what may be the coolest feature of the commandline. It’s called I/O redirection. The “I/O” ... 阅读全文
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使用命令 Up to this point, we have seen a series of mysterious commands, each with its ownmysterious options and arguments. In this chapte... 阅读全文
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操作文件和目录 At this point, we are ready for some real work! This chapter will introducethe following commands:此时此刻，我们已经准备好了做些真正的工作！这一章节将会介... 阅读全文
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探究操作系统 Now that we know how to move around the file system, it’s time for a guided tour of ourLinux system. Before we start however, w... 阅读全文
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文件系统中跳转 The first thing we need to learn to do (besides just typing) is how tonavigate the file system on our Linux system. In this ch... 阅读全文
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什么是 shell When we speak of the command line, we are really referring to the shell. Theshell is a program that takes keyboard commands ... 阅读全文
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引言 I want to tell you a story.我想给大家讲个故事。No, not the story of how, in 1991, Linus Torvalds wrote the first version of the Linuxkernel.... 阅读全文