本书共分五部分，详细介绍了shell编程技巧，各种UNIX命令及语法，还涉及了UNIX下的文字处理以及少量的系统管理问题。本书内容全面、文字简洁流畅，适合Shell编程人员学习、参考-This book is divided into five parts, shell programming techniques described in detail, various UNIX commands and syntax, but also under the UNIX word process