Christopher Fara

• Z-80 Tutor, Reference Vol. X
• DOS 5 commander
• JCL by Chris
• Mod-3 by Chris for Trsdos
• Mod-4 by Chris
• Mod-III by Chris
• MSDOS by Chris
• Z-80 Tutor, Applications Vol. III
• Z-80 Tutor, Introduction Vol. I
• Z-80 Tutor, Toolbox Vol. II