contents of the zipped file:

SK.COM
SideKick version 1.56
Copyright © 1884-85 BORLAND Inc.

PILOT.EXE
PC – PILOT (Programmer’s Pop-Up)
Freeware written by Tom Grubbe
Edited by The Geographix Corporation.

TLINK.EXE
Turbo Link Version 3.0
Copyright © 1987-1990 Borland International

TASM.EXE
Turbo Assembler Version 2.0
Copyright © 1988-1990 Borland International