ls *filedot* To find files modified in 2021:
find . -type f -newermt 2021-01-01 -not -newermt 2022-01-01 Then, filter those for "filedot": ls filedot 2021
ls -a or
ls -all If you're looking for files with a specific name or pattern, like "filedot": ls *filedot* To find files modified in 2021: find