Touch modifies the timestamp of the file

To modify the timestamp of a file

#Touch-C/tmp/ht.txt #如果文件ht. txt does not exist, the ht.txt is not created

Three timestamp of the file:

Access time: When the file was accessed;

Modify time: When the file was modified;

Change time: changes in file attributes;

#stat/tmp/ht.txt #查看文件的属性信息

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Common parameters:

-T: Change the timestamp of the file; Note: The timestamp of the file is also a property of the file, so the changes to the file time are always the last times the file was modified.

-A: Change the access time of the file;

-M: Change the file modification time;

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Touch modifies the timestamp of the file