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

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You can use `touch` to change modification date or time of a file:
```bash
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:
```bash
touch -r filename filename2
```