Tandy 6000 700-3039 XENIX Multi-User Operating System v03.02.00 Single-Sided XNX320UP.IMD 3.1 Upgrade Disk 1 of 5 XNX320D1.IMD Boot Disk Disk 2 of 5 XNX320D2.IMD Install 1 Disk 3 of 5 XNX320D3.IMD Install 2 Disk 4 of 5 XNX320FM.IMD File Maintenance Disk 5 of 5