linux查看文件时间精确到秒
Linux 下查看文件时，ls l 缺省是不显示秒的：

#stat jms  File: `jms'  Size: 4096            Blocks: 8          IO Block: 4096   directoryDevice: fd00h/64768d    Inode: 16253060    Links: 2Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)Access: 2013-02-22 15:15:24.000000000 +0800Modify: 2013-02-22 15:15:24.000000000 +0800Change: 2013-02-22 15:15:24.000000000 +0800