If I'm understanding correctly, a Device file name is the reference to the device found in /dev. The mount point is wherever the file system is accessible, but what is the role of the virtual directory that the mount point is in? Is there any reason it isn't considered a "real directory" or is this an antiquated historic term?
A device file is a special kind of file which does not label any piece of data on a disk but rather serves as an interface to the kernel; device files are made with
Linux has only one directory structure starting at the root
In general mounting of filesystems is transparent and you can't know just by looking at the path in which physical filesystem you currently are. Type