What does the presence of a file named
Is it safe to delete?
I find about a dozen of these scattered across my local hard disks, not the TimeMachine volumes...
It means that the folder it is in is supported for Time Machine. They are very tiny files and wouldn’t be a space hog. But if you are seeing them, you are probably seeing other hidden files as well, so you may want to delete that. But if you are using Time Machine for backup, don’t delete these files or they won’t get backed up.
Yeah, it just denotes that the particular entry is supported for time machine backup.