These programs are provided so that you can see how the program runs should look at the end. This is by no means the exact way that you should do your programs... For example, problem_6.o should not have triangles and rectangles exactly the same size and spacing as the ones that I have made. I would rather that they do not, actually. These programs are executables, which means that the code that I used to generate them cannot be recovered from them, since they are now machine-language (0's and 1's). Thus, when you click on one, it will ask you if you want to download it. Once you download the files, you can upload them onto cse.unl.edu using the Secure Shell File Transfer program. Once they are in your CSE account, you will have to type the command: chmod 755 problem_X.o, where X is the number. You may then run the program!