流程控制:while/until 循环 In the previous chapter, we developed a menu-driven program to produce various kinds of system information. The program works, but it still has a significant ...
流程控制:case 分支 In this chapter, we will continue to look at flow control. In Chapter 28, we constructed some simple menus and built the logic used to act on a user’s selection. To ...
基本语法 if … else … end 语法: E.g: range … end 语法: E.g : with … end 语法: define template 注释 基本函数 and call index len not or print printf println urlquery eq / ne / ...
终端仿真器 第一次按键 命令历史 移动光标 关于鼠标和光标 试试运行一些简单命令 结束终端会话 幕后控制台 拓展阅读 When we speak of the command line, we are really referring to the shell. The shell is a program that takes keyb...