| AOS | Advanced Operating System (skr.) |
|---|---|
| DOS | Disk Operating System (skr.) |
| EOS | Elementary Operating System |
| KERATIN | keratín, po česky |
| NOL | Net Operating Loss (skr.) |
| NOT | Net Operating Loss (skr.) |
| RMOS | real memory operating (infor. skr.) |
| SKLD | Suomen Kansas Litto Demokrratinen |
| SRA | Slovenská ratingová agentúra (skr.) |
| VOS | Virtual Operating System |