Which DOS are you refearing to.....
Acronym Definition
DoS Department Of State (United States)
DOS Disk Operating System
DOS Dad Over Shoulder
DOS Data Overhead Switch (Nortel)
DOS Date of Seeding
DOS Date Of Separation
DOS Date of Service (health insurance)
DOS Daughter of Satan
DOS Day of Show
DOS days of supply (US DoD)
DOS Dead on Scene
DOS Dean of Students
DOS Declaration of Security
DOS Degree of Superiority (algorithm comparison)
DOS Demokratska Opozicija Srbije (Democratic Opposition of Serbia; Coalition of Democratic Political Serbian Parties)
DOS Denial Of Service (attack)
DOS Density of States
DOS Denver Orchid Society
DOS Department of Sanitation (New York City)
DOS Department of Space (India)
DOS Department of Statistics
DOS Department of Surgery
DOS Dependents Overseas
DOS Deployed Operational State
DOS Deposition On Silicon
DOS Designated Operator Service (SBC)
DOS Deutscher Orgon Service
DOS Digital Operating System
DOS Diis Omnibus Sacrum (Latin: Sacred to All the Gods, epigraphy)
DOS Direct Operating System
DOS Directionally Oriented Structures
DOS Director of Emergency Services
DOS Director Of Operations & Support
DOS Director of Operations and Support
DOS Director of Sales
DOS Director of Security
DOS Director of Study/Studies
DOS Distributed Object Server (Objectstream - SS7)
DOS Distributed Operating System
DOS Distribution of States
DOS District Office Study
DOS District Open Space (Hong Kong)
DOS Dozing Off Soon
DOS Dreaded Orange Spots (soapmaking, indicates soap has gone rancid)
DOS Dropout Studios
DOS Duncan's Outdoor Shop (Bay City, Michigan)
But if your talking about the dreaded orange spots, you can google
"Orange Spots Soap"
and find your answer.....