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- Not Another Completely Heuristic Operating System o NachOS es un Sistema Operativo educativo para los estudiantes de cursos de Sistemas Operativos, sin graduación o aspirantes a graduados. Fue desarrollado en la Universidad de California en Berkeley por Wayne A. Christopher, Steven J. Procter, y Thomas E. Anderson entre 1991 y la primavera de 1992, y es usado por numerosas escuelas. Escrito originalmente en C++ para MIPS, NachOS se ejecuta como un proceso de usuario en el sistema operativo anfitrión. Un simulador de MIPS ejecuta el código para cualquier programa de usuario que se ejecute sobre el sistema operativo NachOS. Ha sido portado a MIPS, Sun SPARC (SunOS y Solaris), DEC Alpha, Linux, NetBSD y FreeBSD, RS/6000, Mac 68000 (no soportada), y Hewlett Packard PA-RISC. La versión 4.0 está escrita en un subconjunto de C++ ligeramente más amplio que las anteriores, utilizando plantillas para reducir las repeticiones de código. Por los comentarios de su código fuente, se terminó de desarrollar en 1996. (es)
- Not Another Completely Heuristic Operating System, or Nachos, is instructional software for teaching undergraduate, and potentially graduate level operating systems courses. It was developed at the University of California, Berkeley, designed by Thomas Anderson, and is used by numerous schools around the world. Originally written in C++ for MIPS, Nachos runs as a user-process on a host operating system. A MIPS simulator executes the code for any user programs running on top of the Nachos operating system. Ports of the Nachos code exist for a variety of architectures. In addition to the Nachos code, a number of assignments are provided with the Nachos system. The goal of Nachos is to introduce students to concepts in operating system design and implementation by requiring them to implement significant pieces of functionality within the Nachos system. In Nachos' case, Operating System simulator simply means that you can run an OS (a guest OS) on top of another one (the host OS), similar to Bochs/VMware. It features emulation for:
* A CPU (a MIPS CPU)
* A hard drive
* An interrupt controller, timer, and misc. other components which are there to run the Nachos user space applications. That means that you can write programs for Nachos, compile them with a real compiler (an old gcc compiler that produces code for MIPS) and run them. The Nachos kernel instead is compiled to the platform of the Host OS and thus runs natively on the Host OS' CPU. Nachos version 3.4 has been the stable, commonly used version of Nachos for many years. Nachos version 4.0 has existed as a beta since approximately 1996. (en)
- Not Another Completely Heuristic Operating System eller bara Nachos är ett operativsystem utvecklat av Thomas Anderson på UCLA. Det används i undervisning på universitet för att ge en grundläggande kunskap i hur ett OS verkligen fungerar. Nachos har funnits från 1996 och har inspirerat liknande versioner skrivna i Java och till x86. (sv)
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- An instructional operating system (en)
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- Not Another Completely Heuristic Operating System eller bara Nachos är ett operativsystem utvecklat av Thomas Anderson på UCLA. Det används i undervisning på universitet för att ge en grundläggande kunskap i hur ett OS verkligen fungerar. Nachos har funnits från 1996 och har inspirerat liknande versioner skrivna i Java och till x86. (sv)
- Not Another Completely Heuristic Operating System o NachOS es un Sistema Operativo educativo para los estudiantes de cursos de Sistemas Operativos, sin graduación o aspirantes a graduados. Fue desarrollado en la Universidad de California en Berkeley por Wayne A. Christopher, Steven J. Procter, y Thomas E. Anderson entre 1991 y la primavera de 1992, y es usado por numerosas escuelas. Ha sido portado a MIPS, Sun SPARC (SunOS y Solaris), DEC Alpha, Linux, NetBSD y FreeBSD, RS/6000, Mac 68000 (no soportada), y Hewlett Packard PA-RISC. (es)
- Not Another Completely Heuristic Operating System, or Nachos, is instructional software for teaching undergraduate, and potentially graduate level operating systems courses. It was developed at the University of California, Berkeley, designed by Thomas Anderson, and is used by numerous schools around the world. Originally written in C++ for MIPS, Nachos runs as a user-process on a host operating system. A MIPS simulator executes the code for any user programs running on top of the Nachos operating system. Ports of the Nachos code exist for a variety of architectures. (en)
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- NachOS (es)
- Not Another Completely Heuristic Operating System (en)
- Not Another Completely Heuristic Operating System (sv)
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