As a quick reminder for myself; some ls and find variations to do stuff with files and dates.
ls sort on date:
ls reverse sort on date:
ls reverse sort on modifed date, show hidden files, showdetails and print it in human readable form
find all files in current dirs and subdirs (e.g. recursively) that are changed in the last 5 minutes:
Find all files on filesystem that were modified maximally 3 * 24 hours (3 days) ago till now: