Distant binary stars may also form; in these systems one of the planets is replaced by a star. Their orbits are shown as red arcs, to distinguish them from the world types. The generation procedure (option "G" from the main menu) produces these results; the sort of data that could be obtained by long-range observation. It's fairly fast. If the solar systems that are produced look boring, run this procedure again until you are satisfied. Once you have a sector you like, choose the "save" option (menu choice "S"). You'll be asked for a file name; type in a maximum of eight letters, preceded by the drive letter if you're not using the default drive. If you don't enter a name, the program will use the file name "UNNAMED". Menu option "L" reloads saved sectors. It also uses the default "UNNAMED" if you don't enter a file name, and looks for a documentation file with the same first name (for example, SAMPLE.DOC for SAMPLE.SEC). Text files must be no more than 23 lines, 78 columns, eg Sidekick files. Menu option "V" lets you take a look at your sector, using cursor keys to move between systems and ENTER to exit. This option still only produces the sort of data that might be obtained by long-range observation.