til/bash-scripting/changing-the-modification-date-of-a-file.md

You can use `touch` to change modification date or time of a file:
```
touch -d 20210703 filename

# Set the times on a file to a specific date and time:
touch -t YYYYMMDDHHMM.SS filename
```


or use the times from a file to set the times on a second file:

```
touch -r filename filename2
```