查看文件具體時間：
命令stat
[root@al2-szc-ecs-fp-mgm-p02 device-journal]# stat rydevice-center-journal.jar File: ‘rydevice-center-journal.jar’ Size: 62737669 Blocks: 122536 IO Block: 4096 regular file Device: fd01h/64769d Inode: 655556 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 1000/sapdevuser1) Gid: ( 1000/sapdevusers) Access: 2020-04-13 09:57:57.648688440 +0800 Modify: 2019-08-02 10:45:59.763156802 +0800 Change: 2019-08-02 10:46:34.225165628 +0800 Birth: -
Access：最近訪問時間（vi，cat打開）
Modify：最近修改內容時間
Change：最近修改權限時間