TOPS-10: The SOS text editor

In this post we'll look at the simple but powerful SOS text editor on TOPS-10. Starting SOS Type sos file.ext : if this is a new file SOS will print INPUT and put you in a mode where you can type lines. If it is an existing file it will print EDIT and you will be in command mode. Inputting text SOS will automatically assign numbers to each line which you will see on the left. You can type each…