Linux 基础命令 Linux是个高可靠、高性能的系统，而所有这些优越性只有在直接使用Linux命令行（Shell环境）才能充分地体理出来。-Linux is a Linux-based command high reliability, high performance systems, and all of these advantages only in the direct use of the Linux command line (Shell environment) in order to fully reason out of the body.