Read on Wikipedia

Image: DEC · CC BY-SA 3.0

TOPS-20

TOPS-20

Operating system by Digital Equipment Corporation.

Rare
17 views/day0 owners

No account needed. By playing, you confirm you're 13 or older and agree to the Terms of use.

No owners yet

RareTop 25%

Category: Empty

0 owners
0 copies
0 pulls
Wishlisted
0
In 0 albums
On 0 showcases
Market listings
0
Wikipedia views per dayLast 30 days 540

Not sold on the market yet.

Readers' pathsAug 2026 – Oct 2026

Readers go next to

Share of the 314 clicks on its links

  1. PDP-10

    36-bit computer by Digital (1966–1983).

    17%

  2. SDF Public Access Unix System

    Shell provider.

    14%

  3. DECSYSTEM-20

    Type of mainframe computer.

    13%

  4. Paul Allen

    American businessman (1953–2018).

    8.6%

  5. Digital Equipment Corporation

    American computer manufacturer (1957–1998).

    3.5%

Readers come from

Share of the 453 readers arriving from another article

  1. DECSYSTEM-20

    Type of mainframe computer.

    17%

  2. PDP-10

    36-bit computer by Digital (1966–1983).

    13%

  3. SDF Public Access Unix System

    Shell provider.

    6.8%

  4. C shell

    Unix shell.

    6.2%

  5. Rogue (video game)

    1980 video game.

    2.6%

  6. XKL

    American company that develops optical transport network technologies.

    2.6%

  7. Paul Mockapetris

    American computer scientist and Internet pioneer.

    2.2%