linux 查看文件修改时间

2025-03-15 09:54:10
推荐回答(2个)
回答1:

1、查看文件大小:
#du
-sh
filename
2、查看文件,文件夹属性:
#ls
-l
filename
#ls
-ld
foldername
3、查看文件的三个时间
atime
,ctime,
mtime
3.1、
mtime(modification
time),修改时间:
这个时间指的是文件内容修改的时间,而不是文件属性的修改,当数据内容修改时,这个时间就会改变,用命令ls
-l默认显示的就是这个时间
3.2、ctime(status
time
),状态时间:当一个文件的状态改变时,这个时间就会改变,例如更改了文件的权限与属性等,它就会改变。
3.3、atime(access
time),访问时间:当读取文件内容时,就会更改这个时间,例如使用cat
去读取/etc/man.config,那么该文件的atime就会改变。
3.4、查看命令:
#
ls
-l
--full-time
/etc/man.config
mtime
#
ls
-l
--time=atime
--full-time
/etc/man.config
atime
#
ls
-l
--time=ctime
--full-time
/etc/man.config
ctime
4、其他
如果要一起查看文件的三个时间情况,可以用命令stat进行查看
#
stat
/etc/man.config

回答2:

find
/
-mtime
-7
查到系统中七天内修过过的文件
find
/
-mtime
7
查看过去的第七天修改过的文件,我测试时,好像都会多一天,就是第8天修改的
要是写3的话,可能是过去第4天

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