This software and manual set is still sealed in the packaging! Toshiba MS-DOS 5.0 was a significant release in the world of operating systems

1. Background:
   • Originally known as 86-DOS, it was created by Tim Paterson of Seattle Computer Products.
   • Microsoft acquired it and licensed it to IBM for use with their IBM PC language products.
   • In 1982, Microsoft began licensing DOS to other OEMs, who adapted it for their custom x86 hardware and IBM PC clones.
   • MS-DOS 5.0 was a flagship release for Microsoft.
2. Notable Features:
   • Full-Screen Text Editor: The former line editor EDLIN was replaced by a full-screen text editor called EDIT.
   • QBasic: Microsoft QBasic replaced GW-BASIC.
   • Enhanced Disk Support:
     • Supported 2.88MB 3.5" floppy disks.
     • Handled hard disks up to 2GB in size.
     • Rewritten memory management to utilize the High Memory Area and Upper Memory Area.
   • Collaboration with IBM:
     • The last version where PC-DOS and MS-DOS were nearly identical.
     • Used in the OS/2 and Windows NT virtual DOS machine.
   • Market Dominance:
     • By this time, the market was dominated by IBM and compatible systems.
     • Specific OEM versions for non-IBM BIOS machines were not shipped, except for the popular NEC PC-98 series.
3. Installation:
   • Insert the first disk into your PC or virtualization software.
   • Set your BIOS to boot from a floppy disk.
   • The setup program will install, ask about hardware, and allow installation to floppy or hard disk.
   • Applications will be installed into C:\DOS unless changed during setup.

Toshiba MS-DOS 5.0 played a crucial role in the evolution of computing. 🌟🖥️