| Command | |
| gen. | Control and Communications |
| abbr. file.ext. | .com; .cmd |
| command | |
| abbr. | com |
| mil. | control and communications system; control and identification |
| mil. abbr. | cmd; comd |
| tech. abbr. | cd |
|
Computer Systems : 4 phrases in 2 subjects |
| Abbreviation | 3 |
| Mathematics | 1 |