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RTOS
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C Executive (JMI Software Systems, Inc.) C EXECUTIVE is a real- time, multi- tasking, ROMable kernel for embedded systems. It provides fast context switching, small kernel size, and support for over 20 processors.
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Nucleus PLUS (Accelerated Technology, Inc.) Nucleus PLUS is a real-time, pre-emptive, multitasking kernel designed for time-critical embedded applications.
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On Time RTOS-32 (On Time Software) On Time's royalty free embedded operating system for x86 compatible CPUs implements a Windows NT subset in only 16k of memory. A free evaluation version is available for download.
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PSX (JMI Software Systems, Inc.) PSX is an optional extension to C EXECUTIVE, adding 134 system calls from POSIX.1, PSX provides a mid-range soluntion for embedded systems, where Unix or Linux are too large and slow, but the system calls from POSIX are required or advantageous.
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QNX Realtime Operating System (QNX Software Systems Ltd.) QNX is a scalable, multi-threaded, fault-tolerant, realtime operating system for multiple platforms, including x86, MIPS, and PowerPC. Its advanced UPM architecture cuts development time while giving you full MMU protection right down to the driver level.
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SuperTask!® Real-Time Operating System (U S Software) SuperTask! is a mature, fast, user-configurable, fully pre-emptive multitasking real-time operating system. The kernel includes over 70 system calls. Source code is included and it is royalty free.
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TronTask!® µITRON Compatible Real-Time Operating System (U S Software) TronTask! is a real-time operating system implementing the µITRON real-time kernel specification designed for consumer products and other small-scale embedded systems where memory constraints and performance are critical.
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