The meaning of the Acronym DOS is...

DOS is

• Defunct Operating System
• Difficult Operating System
• Disk Opening System
• Dense Operating System
• Dumb Operating System
• Dirty Operating System
• Dinosaur Operating System
• Dead Operating System

More Meanings For DOS:

• Degrees Of Separation
• Di-Octyl Sebacate
• Density Of States
• Department of State
• Department of State
• Department of State
• Disk Operating System
• Dance Of Sound
• Disciples Of Satan
• Denial Of Service
• DOS related file (Win95)
• External command file (1st Reader)
• Declaration Of Support
• Disk Operating System
• Denial of Service

DOS is also in:

• Astronomy
• Chemistry
• Drivers
• Electronics
• File Extensions
• General
• International Business
• Media
• Meteorology
• Ocean Science
• Performing Arts
• Religion