Linux系统下的Gcc（GNU C Compiler）是GNU推出的功能强大、性能优越的多平台编译器，是GNU的代表作品之一。gcc是可以在多种硬体平台上编译出可执行程序的超级编译 器，其执行效率与一般的编译器相比平均效率要高20 ~30 。-Linux system under Gcc (GNU C Compiler) is GNU introduced the powerful, the superior performance of multi-platform compiler, is one of the representative works of GNU. gcc is a variety of hardware platforms to compile the executable super compiler, the efficiency of its compiler and the general higher than the average efficiency of 20　to 30 .