vim users.sh
!/bin/bash
if [ # -lt 1 ];then echo "请输入参数add：" exit 0 fi if [# -lt 1 ];then echo "请输入参数add：" exit 0 fi if [1 == "add" ];then
for I in {1..10}; do
if id userI &>/dev/null;then echo "用户 userI &>/dev/null;then echo "用户 userI 已存在"
else
useradd userIechouserI | passwd --stdin userI &> /dev/null echo "userI add sucessful"
id userIgrepuserI /etc/passwd | cut -d : -f1
grep user$I /etc/shadow | cut -d : -f2
fi
done
fi
