How do I install these printing and mail related utilities?
Solution 1:
In order to use lp, lpstat and cancel, you need to install and configure a printer.
In the process of installing the printer, you're going to install cups-client, which contains these utilities.
The mail program is in mailutils
To install both of these, type
sudo apt-get install cups-client
sudo apt-get install mailutils
Afterwards, you may want to
set up a Print server
set up a Mail server