#!/bin/bash

function showAlertMsg(){

    echo -e "\e[1;31m"$"\e[0m"

}

function showHighlightMsg(){

    echo -e "\e[1;32m"$"\e[0m"

}

echo "Hello,world"

echo hello,world

echo 'hello,world'

printf "Hello,world\n"

printf "%-10s%-10s%-10s\n" 'Andy' 'Bill' 'Cindy'

echo -e "\e[1;31m This is red text \e[0m"

showAlertMsg "System Exception"

showHighlightMsg "Attention"

echo -e "\e[1;44m"Hollo world"\e[0m"
                                    

[root@localhost bashs]# sh print.sh

Hello,world

hello,world

hello,world

Hello,world

Andy      Bill      Cindy

 This is red text

System Exception

Attention

Hollo world