“Last month we installed Linux and learned how to log in as
root and shut down the system. Essential, but not too exciting.
This month we’ll start navigating the system. Knowing how to get
around is the first step towards Linux mastery.“
“The Linux filesystem is a hierarchy–an inverted tree
structure. The top level is called root and is indicated by a
single forward slash (/). Directories branch off from root and each
directory level is preceded by a forward slash. Hence the basic,
top-level directory structure looks like…”