“The find utility on linux allows you to pass in a bunch of interesting arguments, including one to execute another command on each file. We’ll use this in order to figure out what files are older than a certain number of days, and then use the rm command to delete them.”

find /path/to/files* -mtime +5 -exec rm {} \;

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Syntax:
find {dir-name} -name {file-name}

Beispiel:

find / -name foo.txt

How to List Files Newer Than 10 Days using ls:

find . -mtime -10