| UNIX | Uniplexed Information and Computering System | UNIX操作系统 |
| UNIX | Universal Info Exchange | 通用信息交换 |
| UNIX | The United Nations Intelligent Xylophone | 联合国智能手机 |
| UNIX | Uniplexed Information and Computing System | 综合信息和计算系统 |
| UNIX | Universal Interactive Executive | 环球互动执行官 |
| UNIX | Universal Network Information Exchange | 通用网络信息交换 |
| UNIX | [not an acronym] UNIX is a pun on MULTICS | UNIX是MULTICS的双关语 |