Viewing file systems with df

If you're used to Windows or Macintosh operating systems, you're probably accustomed to having separate hard drives (C:, D:, E:, for Windows users, or real names for Macs) which are just different storage spaces. In UNIX systems, different storage spaces are grafted onto the overall tree structure—tacked on to what's already existing, and without any clear distinction indicating where actual disk drives are located. For example, if you have a folder on a Mac or Windows computer, you know that all of the subfolders and files within it are located on the same hard drive. In UNIX, everything resides within the root directory, but any different directory could be located on a different physical hard drive. You might think ...

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