shell脚本 自动创建用户详解及实例代码

USER_COUNT=`cat /etc/passwd | grep '^zhangsan:' -c`USER_NAME='zhangsan'if [ $USER_COUNT -ne 1 ] then useradd $USER_NAME echo "123456" | passwd $USER_NAME --stdin else echo 'user exits'fi

chmod +x createuser.sh

./createuser.sh