HTTP stands for Hyper Text Transfer Protocol . This group of protocols is responsible for the connections and data transfers that take place on the Internet. While Linux possesses commands that DOS does not, a good DOS background will provide an intermediate DOS user with a head start when learning Linux. You can start X11 with 'startx' or KDE with 'kde'. The above lines are what you will see on a typical Linux machine that is named mylinuxbox .
Directories are blue, and other items or files are different colors.
So, ls is how you see what is in the directory you are in, and pwd is how you find out where you are . Now, let's tour around a little. Type in pwd and hit Enter again. You will see that you are now in the home directory. It moved you out of your home directory and into the directory that is above your home directory.