It is contained in the M01a.ini file in teh missions folders of Freelancer. You know - poeple got flamed for asking these questions over and over again. We seem to have let up, and once again rather than searching, its being asked. I say this as i have typed this out recently already. See newbie questions thread for this thing (number 2 thread).

Please look in those threads for these types of questions (no offense - but they have been answered several times now. in the Newbie Questions 2 thread, the first page contains links to the first thread. This means you can find stuff nice and easy. It is basically an index of the first thread. Also look in tutorials forum for this stuff.