SunView

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SunView

SunView environment on a SPARCstation 4 running SunOS 4
Operating system	SunOS
Type	windowing system

SunView (Sun Visual/Integrated Environment for Workstations^[1]: 3) is a discontinued user interface toolkit and windowing system from Sun Microsystems, launched in 1985,^[2] and included as part of its Unix implementation, starting with SunOS Release 3.0.^[1]: 4 Sun had introduced support in 1983 for a window-based environment known as the Sun Window System, providing the Sunwindows (or SunWindows) window manager and Suntools (or SunTools) user interface toolkit.^[3]

SunWindows was one of the first widely used Unix window systems and, unlike later Unix windowing systems, relied on dedicated support in the system kernel, albeit limited to window hierarchy management and therefore being less invasive than other early window system implementations. In SunWindows, graphics device operations were performed by applications and not in the kernel. SunView was introduced as an object-oriented toolkit layer on top of the SunWindows platform to address the increasing complexity of the underlying system and to facilitate the development of user interfaces.^[4] SunView ran on Sun's desktop and deskside workstations, providing an interactive graphical environment for technical computing, document publishing, medical, and other applications of the 1980s, on high resolution monochrome, greyscale and color displays.