摘要：
date "+%Y-%m-%d" 2013-02-19date "+%H:%M:%S" 13:13:59date "+%Y-%m-%d %H:%M:%S" 2013-02-19 13:14:19date "+%Y_%m_%d %H:%M:%S" 2013_02_19 13:14:58date -d 阅读全文
摘要：
for命令 基本语法格式 for var in list do commands done 也可以写成 for var in list; do commands done 读取列表中的值 shijianzhongdeMacBook-Pro:part_13 shijianzhong$ ./test1 阅读全文