How to find who and when modified each line of a file last time, and how to find who and when added/deleted a portion of a code line of a file since the very beginning

How to find who and when modified each line of a file last time?

$ git blame -- <path/file>

How to find who and when added/deleted a portion of a code line of a file since the very beginning?

$ git log -S'blah blah' --pretty='format: %h %an %d %s'

https://www.atlassian.com/git/tutorials/inspecting-a-repository/git-blame#:~:text=While%20git%20blame%20displays%20the,use%20the%20git%20log%20command.

How to find the files which were modified in the last x minutes

https://stackoverflow.com/questions/33407344/how-to-find-files-modified-in-last-x-minutes-find-mmin-does-not-work-as-expect

find . -mmin -60 -type f -exec ls -l {} +