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Since the early 1990s, the field of supercomputers has been dominated by Unix or Unix-like operating systems, and starting in 2017, every top 500 fastest supercomputer uses Linux as its supercomputer operating system. The last supercomputer to rank #1 while using an operating system other than Linux was ASCI White, which ran AIX.
Note: All operating systems of the TOP500 systems are Linux-family based, but Linux above is generic Linux. Sunway TaihuLight is the system with the most CPU cores (10,649,600). Tianhe-2 has the most GPU/accelerator cores (4,554,752). Aurora is the system with the greatest power consumption with 38,698 kilowatts.
JNode (Java New Operating System Design Effort), written 99% in Java (native compiled), provides own JVM and JIT compiler. Based on GNU Classpath. [36] [37] JX Java operating system that focuses on a flexible and robust operating system architecture developed as an open source system by the University of Erlangen. KERNAL (default OS on ...
Linux is the most popular operating system among supercomputers due to the general advantages and benefits of free and open-source software, like superior performance, flexibility, speed and lower costs. In November 2008 Linux held an 87.8 percent share of the world's top 500 supercomputers.
The article "Usage share of operating systems" provides a broader, and more general, comparison of operating systems that includes servers, mainframes and supercomputers. Because of the large number and variety of available Linux distributions , they are all grouped under a single entry; see comparison of Linux distributions for a detailed ...
A computer system is a nominally complete computer that includes the hardware, operating system (main software), and the means to use peripheral equipment needed and used for full or mostly full operation.
TOS/360 (IBM's Tape Operating System) Livermore Time Sharing System (LTSS) Multics (MIT, GE, Bell Labs for the GE-645) (announced) Pick operating system; SIPROS 66 (Simultaneous Processing Operating System) [6] THE multiprogramming system (Technische Hogeschool Eindhoven) development; TSOS (later VMOS) 1966 DOS/360 (IBM's Disk Operating System)
Linux is the predominant operating system for servers and is also used on all of the world's 500 fastest supercomputers. [ g ] When combined with Android , which is Linux-based and designed for smartphones , they have the largest installed base of all general-purpose operating systems .