System 8
# System 8

System 8 may refer to:

## Computing

* Copland, an unreleased operating system
* Mac OS 8, a late 1990s version of the Macintosh operating system
* Digital Equipment Corporation PDP-8 operating systems:
   * OS/8, released in 1971
   * TSS/8, released in 1968
   * MS/8, released in 1966
   * PDP-8 4K Disk Monitor System, released in 1965
* Exec 8, the Unisys operating system
* WPS-8 (Word Processing System-8) - Digital Equipment Corporation word processor

## Other uses

* STS-8 (Space Transportation System-8), the Space Shuttle mission
* Base-8 number system
* Roland System-8, the Roland Corporation synthesizer
