2021-07-06 00:30:11 UTC
as they evolved from 1.0 to 2.0 to 3.0 from Norton's Guide to the IBM PC.
In the DOS 2.0 functions there are 5 file handles already opened and reserved.
0 = stdin
1 = stdout
2 = stderr
3 = stdaux
4 = stdprint
What in the heck is a "standard auxiliary file (or device?)"? Is there any lore
on what this was used for? Would you plug an extra gizmo into the computer
and install a device driver and hook it up as the aux file and do what ...
blinkenlights, 7 segment displays, warp coil polarity control?