It happens multiple times when We running application with spesific port but the port is used and our application failed to start.

The .git folder is tipically stored in the root directory of the repository, not all the sub-directories like Subversion did.

In the Apple macOS operating system, .DS_Store is a file that stores custom attributes of its containing folder

If You assigned a root password previously but have forgotten it, You can assign a new password manually so You do not get locked.