How the dot came into the UNIX file system

If you ever wondered why you are only a tolerated guest in your $HOME directory, you will find the story about the origin of the so called “hidden files” interesting:

Rob Pike on the Origin of Unix Dot File Names


Heh. Like why there’s no “Windows 9”. It would crash many programs that tested if they were running on “Windows 9” only – to catch both Win 95 and 98. (Markting had their own stories: equal numbers to macOS, showing a big leap in code… blah…)