[root@shell sbin]# vi variadle.sh
! /bin/bash
In this script we will write many variable
Writen by tcq 2021-04-19
d=date +%H:%M:%S
echo "The script begin at $d."
echo "Now we'll sleep 2 seconds."
sleep 2
d1=date +%H:%M:%S
echo "The script end at $d1."
