| Subject | English | German |
| comp. | logical unit identificator | logischer Einheitsname |
| comp. | logical unit name | logischer Einheitsname |
| comp., MS | logical unit number | logische Gerätenummer (A logical reference to a portion of a storage subsystem. For example, in a disk storage subsystem, a LUN can comprise a disk, a section of a disk, a whole disk array, or a section of a disk array in the subsystem) |
| microel. | logical unit of data | logische Dateneinheit |