摘要: #!/bin/bash # auth: xiluhua # date: 2017-02-26 read -p "please input a username:" username [ -z $username ] && echo "a username is needed" && exit 2 if id $username &> /dev/null then echo $us... 阅读全文
posted @ 2017-02-26 23:01 xiluhua 阅读(287) 评论(0) 推荐(0) 编辑