The computers in lab use a roaming profile, so sometimes you will find that you can save to your desktop. DON'T SAVE IMPORTANT FILES TO YOUR DESKTOP, experience shows that it is when you need that file to be saved the most it is erased. To get around this issue we have created a networked space for your file storage.
So for an example, I've made my folder at:
\\ntdfs\cs\unix\projects\instr\production3\cse458_au08_student_files\koos_kleven