touch - change file timestamps, creating empty files as needed
touch [-a] [-m] [-c] file...
Options you will use
-c, --no-create- Do not create files that do not exist.
-a- Change only the access time.
-m- Change only the modification time.
-d, --date STRING- Use this time instead of now: touch -d '10 days ago' f.
Taught in
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