| 在用户空间扩展Linux操作系统功能方法研究 |
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| 引用本文： | 魏东林,卢正鼎,董俊,聂岚.在用户空间扩展Linux操作系统功能方法研究[J].华中科技大学学报(自然科学版),2002,30(7):42-44. |
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| 作者姓名： | 魏东林 卢正鼎 董俊 聂岚 |
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| 作者单位： | 华中科技大学计算机科学与技术学院 |
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| 基金项目： | 国防科技预研基金资助项目 |
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| 摘 要： | 论述了如何动态地扩展标准Linux操作系统来增强其功能和安全性，阐述了在用户空间扩展Linux操作系统的方法，然后提出了一种基于代理的改进的扩展方法，并借助该方法给出了一个简单网络文件系统的实现框架，它允许用户就像访问本地文件那样来访问远程文件。
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| 关 键 词： | Linux操作系统 系统调用 用户空间 内核空间 proc文件系统 功能扩展 代理扩展 |
| 文章编号： | 1671-4512(2002)07-0042-03 |
| 修稿时间： | 2001年11月22 |
Extension of Linux operating system in user space |
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| Wei Donglin Lu Zhengding Dong Jun Nie Lan Postgraduate, College of Computer Sci.& Tech.,Huazhong Univ. of Sci. & Tech.,Wuhan ,China..Extension of Linux operating system in user space[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,2002,30(7):42-44. |
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| Authors: | Wei Donglin Lu Zhengding Dong Jun Nie Lan Postgraduate College of Computer Sci& Tech Huazhong Univ of Sci & Tech Wuhan China |
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| Institution: | Wei Donglin Lu Zhengding Dong Jun Nie Lan Postgraduate, College of Computer Sci.& Tech.,Huazhong Univ. of Sci. & Tech.,Wuhan 430074,China. |
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| Abstract: | This paper demonstrated and compared all kinds of methods to extend and improve the functionality and security of standard linux operating system. We focused on how to extend the functionality and security of linux kernel completely in user space by interposing extension functionality at user level with better transparency and security to both linux and applications. An improved method based on agent implemented by means of object oriented design was also illustrated in detail. To demonstrate its usage and efficiency, the implementation of a simple network file system was proposed which allowed users to treat remote files exactly as if they were local according to the approach introduced above. |
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| Keywords: | Linux system call user space kernel space proc file system |
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