Google Docs/Sheets give users ability to 'lock' their content. This makes files viewable but no editing or copying will work. Here is how to copy from a protected Google Sheet/Doc.
How to access hidden unix folders and files in macOS.
Billions of other Earth like planets
How to delete a committed change from a git repository.
How to delete all commits from a git branch.
How to update a GitHub forked repository with changes from the original repository.
Simple ways to differentiate between stars and planets.
How to disable password-based root login by replacing it with SSH key-based login.
How to use a reverese SSH tunnel to access a machine behind NAT.