Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...
《Linux命令行的艺术》:contain some techniques when you are programming on a Linux Machine 《MacOS命令行的艺术》:contain some tips when you are programming on a Macintosh Machine 《Shell脚本编程》:a detailed tutorial ...