What does this command string do?
find / -size +10M -exec ls -l {} ;
It uses the ls command to find all files in the filesystem matching the {} wildcard.
It finds all files larger than 10 MB and long lists them using the ls command.
It finds all files older than 10 minutes and long lists them using the ls command.
It finds all files using ls -l and hands them off to the find command to display.