XOS
| Acronym | Definition |
|---|---|
| XOS | Any Operating System |
| XOS | Xylooligosaccharides |
| XOS | Xerox Office Services (software) |
| XOS | X-Ray Optical Systems, Inc. |
| XOS | Experimental Operating System |
| XOS | Extended Operating System |
| XOS | Cross Office Slot |
| XOS | X-Ray Optics System |