First project on C. Was written at the end of the first semester in university. Main feature of the project is using keyboard arrows UP/DOWN for switching history of the written commands by user. That was achieved by creating a function a-la Getch, that is turning off usual keyboard printing in Terminal and instead returning ANSII code of each key. Some keys have been rewritten to give them back functionality, as: "enter", "backspace" etc. The commands: