shell脚本，这本书是我决的写的最全面和简洁的shell脚本参考书籍，特别适合初学者和有2年下shell脚本编写者。建议可以花几个小时通读，理解大概的内容，然后作为工具书来用,遇到问题在参考本书。-this is a techincal book about shell under unix os.it is especially suitable for new programer. you can spend 2 hours to view this book and regard it