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print working directory
, and shows you where 
you currently are in the filesystem. If you run it, you may see output such as this:
Figure 4.1: Viewing the current working directory
In this example, when I ran 
pwd
, the output informed me that my current working 
directory is 
/home/jay
. This is known as your home directory and, by default, every 
user has one (as we discussed in 
Chapter 2
, 
Managing Users and Permissions
). This is 
where all the files for 
your user account will reside by default. Sure, you can create 
files anywhere you'd like, even outside your home directory if you have permission 
to do so or you use 
sudo
. But just because you 
can
 doesn't mean you 
should
. As you'll 
learn in this chapter, the Linux filesystem has a designated place for just about 
everything. But your home directory, located at 
/home/
, is yours. You own 
it, you control it—it's your home on the server. In the early 2000s, Linux installations 
with a graphical user interface even depicted your home directory with an icon of a 
house.

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Chapter 4