MS-DOS evolved from that early operating system?

86-DOS

it reads only text - based commands ( CUI )

MS-DOS is also an operating system. Earlier versions of Windows could arguably be called "shells", rather than actual operating systems. However, Windows 95, 98, and ME primarily use MS-DOS as just a...

MS-DOS is old, very old by computer standards. It is not compatible with most programs and applications now. It won't run right or at all on most newer computers, printers or anything else. If you...

cp/m From 86-DOS