Also to delete .DS_Store files regularly, type the command: sudo crontab -e
Then enter your password.
Enter command again: 15 1 * * * root find / -name ".DS_Store" -depth -exec rm {} \;
Follow this format: <Minute> <Hour> <DayOfMonth> <Month> <DayOfWeek> <User Command>
After that, press Enter and then Shift+Z+Z.