shell 是一个命令解释器.是介于操作系统 kernel 与用户之间的一个绝缘层.准确地说,它也是一种强力的计算机语言.过

将系统调用,公共程序,工具,和编译过的二进制程序粘合在一起来建立应用.事实上,所有的

UNIX

命令和工具再加上公共程序,对于shell脚本来说,都是可调用的.如果这些你还觉得不够,那么

shell 内建命令,比如 test 与循环结构,也会给脚本添加强力的支持和增加灵活性.Shell 脚本对

于

管理系统任务和其它的重复工作的例程来说,表现的非常好,根本不需要那些华而不实的成

熟 -shell is a command interpreter. is between the operating system kernel and an insulating layer between users. precisely, it is also a powerful computer language. through the system call, public programs, tools, and compiled binaries bonded together to create application programs. In fact, all the UNIX commands and tools coupled with the public process,对于shell scr ipts are available Diaoyong' s. If you feel that you Bugou Zhexie, Name shell Neijian commands such as test and the loop structure, will add strong support to the scr ipt, and increase flexibility. Shell scr ipt management system for the duplication of tasks and other routine work, the performance is very good, do not need those fancy mature