Linux实用教程 涉及Linux存储管理、内核结构、文件管理、系统调用、系统管理、网络基础、网络安全、编程基础等实用内容。-Linux Practical Guide related to Linux storage management, kernel structure, document management, system calls, system management, network infrastructure, network security, programming

linux下的shell编程PPT，适合初学者使用。-linux shell programming PPT, suitable for beginners to use.