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?操作系统:精髓与设计原理》myshell
资源介绍
《操作系统——精髓和设计原理》中的项目myshell,并不是我自己写的,里面有很详尽的解释,这个shell的纠错能里能强大。
i.cd - change the current default directory to . If the argument is not present, report the current directory. If the directory does not exist an appropriate error should be reported. This command should also change the PWD environment variable.