Konsole is one of the most important and helpful programs on Kubuntu. Important because you can do just about anything with it.
To be precise, Konsole is a terminal emulator running BASH (Bourne Again SHELL). A terminal is what you get when you strip away all the extraneous parts of a computer like the graphical user interface, etc… and end up with a black screen and a cursor. A shell is basically the system you use to put commands into the terminal.
For instance, if you type the command,
echo $SHELL
or copy and paste it for that matter the terminal will output,
/bin/bash
which is the path to the bash program.
There are a number of commands that are used commonly in Konsole but the most commonly used ones are,
apt - For installing and removing programs.
clear- Clear terminal.
exit - Exit terminal.
ls - List the contents of the directory.
cd - Change directory (cd .. to go up a level).
sudo - run commands as admin or super user.
top - See what processes are running (push q to end).

Installation
Konsole is preinstalled on Kubuntu and can be found in the Applications Menu under Applications/System/.
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