文件访问时间简记(Modify time 和 Change time)
2024-08-23 20:04:47
[root@77-29-68-bx-core]# stat hql.out
File: ‘hql.out’
Size: 13750 Blocks: 32 IO Block: 4096 regular file
Device: 807h/2055d Inode: 195302554 Links: 1
Access: (0664/-rw-rw-r--) Uid: ( 1171/d1_pa) Gid: ( 1172/d1_pa)
Access: 2019-03-25 20:38:36.885282923 +0800
Modify: 2019-03-25 20:38:36.150282730 +0800
Change: 2019-03-25 20:38:36.150282730 +0800
Birth: -
[root@77-29-68-bx-core suanec-waic-job-from-weiclient-f7aa171b-58-35522803108336384]# chmod +x hql.out
[root@77-29-68-bx-core suanec-waic-job-from-weiclient-f7aa171b-58-35522803108336384]# stat hql.out
File: ‘hql.out’
Size: 13750 Blocks: 32 IO Block: 4096 regular file
Device: 807h/2055d Inode: 195302554 Links: 1
Access: (0775/-rwxrwxr-x) Uid: ( 1171/d1_pa) Gid: ( 1172/d1_pa)
Access: 2019-03-25 20:38:36.885282923 +0800
Modify: 2019-03-25 20:38:36.150282730 +0800
Change: 2019-03-26 11:20:30.613946678 +0800
Birth: -
[root@77-29-68-bx-core suanec-waic-job-from-weiclient-f7aa171b-58-35522803108336384]# du -sh ./hql.out
16K ./hql.out
[root@77-29-68-bx-core suanec-waic-job-from-weiclient-f7aa171b-58-35522803108336384]# stat hql.out
File: ‘hql.out’
Size: 13750 Blocks: 32 IO Block: 4096 regular file
Device: 807h/2055d Inode: 195302554 Links: 1
Access: (0775/-rwxrwxr-x) Uid: ( 1171/d1_pa) Gid: ( 1172/d1_pa)
Access: 2019-03-25 20:38:36.885282923 +0800
Modify: 2019-03-25 20:38:36.150282730 +0800
Change: 2019-03-26 11:20:30.613946678 +0800
Birth: -
- 访问文件:vim/sh/bash/cat/more等操作会重置Access time
- 读取文件属性:ls/stat/wc/du等操作不会重置Access time
- 修改文件:会重置Modify time 和 Change time
- 修改权限但不调整内容: 不会重置Modify time, 但会重置 Change time。
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