Linux 下的编译工具，比Redhat9.0 默认版本要高。-Compiler tools under Linux than Redhat9.0 higher default version.

linux学习中有许多排序，这个程序是叫我们初步运用冒泡法和选择排序法来写程序-There are many sorting linux learning, this program is called the initial use of our bubble and selection sort method to write programs