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→Unix / Linux Directories
The Unix/Linux file system is '''hierarchical''', like other operating systems such as '''Windows''', '''Mac OSX''', etc.
In Unix / Linux (as opposed to MS Windows), there are no drive letters (such as '''C:''', or '''D:'''). <br>All files and directories appear under a single ancestor directory called the "'''root directory'''".
Learning how to issue Linux commands for '''navigating''' and '''manipulating''' directory and files within the the Linux filesystem are '''essential skills''' for Linux users and Linux system administrators (i.e. ''sysadmins'').