text: #!/bin/sh
  #author:cuzv	email:cuzval@gmail.com
  #this script use to add users
  #/etc/passwd info
  echo "please input username:"
  read name
  echo "Please input hou many users you want to add? like:10"
  read num
  n=1
  while [ $n -le $num ]
  do
  	/usr/sbin/useradd $name$n
  	n=`expr $n + 1`	
  done
  
  # /etc/shadow info
  echo "Please input the password:"
  read passwd
  m=1
  while [ $m -le $num ]
  do
  	echo $passwd | /usr/bin/passwd --stdin $name$m
  	m=`expr $m + 1`
  done
  