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Early operating systems were very diverse, with each vendor or customer producing one or more operating systems specific to their particular mainframe computer. Every operating system, even from the same vendor, could have radically different models of commands, operating procedures, and such facilities as debugging aids.
Concise Microsoft O.S. Timeline – a color-coded concise timeline for various Microsoft operating systems (1981–present) Bitsavers – an effort to capture, salvage, and archive historical computer software and manuals from minicomputers and mainframes of the 1950s, 1960s, 1970s, and 1980s
Unix was an early operating system which became popular and very influential, and still exists today. The most popular variant of Unix today is macOS (previously called OS X and Mac OS X), while Linux is closely related to Unix.
The operating system provides an interface between an application program and the computer hardware, so that an application program can interact with the hardware only by obeying rules and procedures programmed into the operating system. The operating system is also a set of services which simplify development and execution of application programs.
Download as PDF; Printable version; ... History of free and open-source software (2 C, ... Distributed operating system; History of the Dylan programming language; E ...
The X Window System was created in 1984, and became the de facto standard window system in desktop free software operating systems by the mid-1990s. X runs as a server, and is responsible for communicating with graphics hardware on behalf of clients (which are individual software applications).
The X.Org Foundation now leads the X project, with the current reference implementation, X.org Server, available as free software under the MIT License and similar permissive licenses. Most popular windowing system implementation for desktop Linux and all Unix operating systems, excluding Mac OS X 1985 POSTGRES
View history; Tools. Tools. move to sidebar hide. Actions Read; ... Download as PDF; Printable version; ... This is a list of operating systems. Computer operating ...