The following terms will be useful to you throughout this book and in general
when you're talking about Debian.
Package.
A file that contains everything needed to install, de-install, and
run a particular program. The program that handles packages is dpkg.
dselect is a front-end to dpkg. Experienced users often use
dpkg to install or remove a package.
Package names.
All package names have the form xxxxxxxxxxx.deb. Sample package
names include the following: