Mtime/ctime/atime three time analysis and difference summary document

# #mtime/ctime/atime Parsing

Mtime--modify Time

# #只有修改文件内容才会改变mtime时间. Modifying the contents of a file will also change the CTime

CTime--change Time

# #改变时间, as long as you modify the contents of the file, the file name, the attributes (owner, group, permissions, etc.) will change CTime

Atime--access Time

# #查看文件内容, that will change the file atime, through cat/vi/vim/more/less ...

# #mtimeand theCTimethe Difference

- Only if the contents of the file are modified, the mtime of the file will be updated;

- Rename the file, modify the properties of the file, etc., will only update CTime;

- as long as you modify the contents of the file, Mtime and CTime will change.

# #查看文件的三个时间

L-l filename Displays the modified time of the file MTIMELS-LC filename Displays the file's Ctimels-la filename display file atimestat filename simultaneously displays the text Pieces of three time atime/mtime/ctime

# #touchChange three time

Touch FileName # #摸一下, that is, change the timestamp of the file, Atime/mtime/ctime simultaneously modify

Mtime/ctime/atime three time analysis and difference summary document