Shell基本程序

Shell 基本语法 变量 表达式 判断语句(判断表达式) if语句

一个简单的Shell程序

#!/bin/bash

#第一个注释，  This  is to  Show Example Shell

echo "Hello, World"

echo "This contains an Empty line"

echo "We are currently in the following directory"

pwd

echo "This directory contains the following files"

ls