Answer: msdos

AnswerCrossword Clue
MSDOS

Basic PC program

MSDOS

PC operating system choice

MSDOS

Computer operating system

MSDOS
PC format
MSDOS
Precursor to Windows
MSDOSWindows grew out of it
MSDOSPC letters
MSDOSPlatform introduced in 1981
MSDOSEarly PC interface
MSDOSOne-time PC platform
MSDOSPC platform released in '82
MSDOSObsolescent PC environment
MSDOSIBM PC controller
MSDOSWindows preceder
MSDOSPC operating system
MSDOSJackson hair styles?
MSDOSEarly PC system
MSDOSPre-Windows system
MSDOSForerunner of Windows
MSDOSEarly PC program
MSDOSIt worked with a prompt
MSDOSEarly PC software
MSDOSEarly computer platform
MSDOSEarly PC environment
MSDOSSoftware letters
MSDOSOld PC software
MSDOSOld PC platform
MSDOSWindows forerunner
MSDOSFamiliar PC acronym
MSDOSPC acronym
MSDOSSome PCs use it
MSDOSEarly PC platform
MSDOSWindows precursor
MSDOSWindows predecessor
MSDOSPopular PC interface before Windows
MSDOSInterface developed for the Intel x86 family of microprocessors
MSDOSPC debut of 1981
MSDOSBasis for Windows, originally
MSDOSBasic PC environment
MSDOSComputer environment