Living Person
TOPS-20
is
As of April 20, 2026
57 years old
approximately!
Date of Birth
(1969 ) is
Rooster
Year
* Calculated from Wikipedia data.
Accuracy is not guaranteed.
approx.Cosmic Age Calculator
Moon
approx. 767.2 years old
Mercury
approx. 238.3 years old
Venus
approx. 93.3 years old
Mars
approx. 30.5 years old
Jupiter
approx. 4.8 years old
Saturn
approx. 1.9 years old
* Calculated based on each planet's orbital period.
| TOPS-20 | |
|---|---|
 Screenshot of login prompt of a TOPS-20 system | |
| Developer | Digital Equipment Corporation |
| Written in | Assembly language |
| OS family | TENEX |
| Working state | Discontinued |
| Initial release | 1976 |
| Latest release | 7.1 / June 1988 |
| Marketing target | Mainframe computers |
| Available in | English |
| Supported platforms | PDP-10 |
| Default user interface | Command-line interface |
| License | Proprietary |
| Preceded by | TENEX |
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