Unix是近30年前发明的科学和专业用户谁想要一个非常强大和灵活的操作系统。这是自那时以来得到显着发展。因为UNIX是专家设计的，它可以是一个有点第一势不可挡。但如果你把基础知识（这本书！），你就会开始明白一些原因使用Unix

-UNIX was invented almost 30 years ago for scientific and professional users who wanted a very

powerful and flexible OS. It s been significantly developed since then. Because UNIX was designed for

experts, it can be a bit overwhelming at first. But after you get the basics (from this book!) you ll start to

appreciate some of the reasons to use UNIX