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 Screenshot and graphical interface of SunOS 4.1 | |
| Developer | Sun Microsystems |
|---|---|
| OS family | Unix (BSD/SVR4) |
| Working state | Historic; now marketed as Solaris |
| Source model | Closed source |
| Initial release | 1982 |
| Latest release | 4.1.4[1] / September 1994[2] |
| Platforms | Motorola 680x0, Sun386i, SPARC |
| Kernel type | Monolithic kernel |
| Default user interface | SunView, OpenWindows |
| License | Proprietary (binary only) |
| Succeeded by | Solaris |
SunOS is a Unix-branded operating system developed by Sun Microsystems for their workstation and server computer systems from 1982 until the mid-1990s. The SunOS name is usually only used to refer to versions 1.0 to 4.1.4, which were based on BSD, while versions 5.0 and later are based on UNIX System V Release 4 and are marketed under the brand name Solaris.
- ^ Bill Calkins. "The History of Solaris" (PDF). cse.unl.edu.
- ^ "Unix History" (PDF). levenez.com.