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| Definition | An operating system developed in the 1970s with a textual interface; a precursor to graphical interfaces such as Windows and Macintosh. http://www.variablemedia.net/e/preserving/html/var_pub_index.html |
| Alternate Terms = | Control Program for Monitor CP/M |
| Broader Term ↑ | Equipment |
| Related Terms ↔ | Graphical User Interface * GUI Command line interface Interface |