| Main Entry: | user interface |
| Part of Speech: | noun |
| Definition: | program that controls display |
Synonyms: |
UI, command-line interface, graphical user interface, menu-driven interface |
| Main Entry: | systems program |
| Part of Speech: | noun |
| Definition: | system software |
Synonyms: |
I/O routine, OS, command-line interpreter, disk operating system, memory-management routine, operating system, task scheduling, user interface |