For the unrelated software company, see mt Xinu. For the unrelated alien warlord, see Xenu.
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XINU
Developer
Douglas Comer
Written in
C
Working state
Current
Source model
Open source[1]
Initial release
1981; 43 years ago (1981)
Latest release
2nd ed. / 2015; 9 years ago (2015)
Repository
Xinu_Book_And_Code
Marketing target
Higher education, embedded systems
Default user interface
Command-line interface
Official website
www.xinu.cs.purdue.edu
XINU Is Not Unix (XINU, a recursive acronym), is an operating system for embedded systems,[2] originally developed by Douglas Comer for educational use at Purdue University in the 1980s. The name is both recursive, and is Unix spelled backwards. It has been ported to many hardware platforms, including the DEC PDP-11 and VAX systems, Motorola 68k (Sun-2 and Sun-3 workstations, AT&T UNIX PC, MECB), Intel x86, PowerPC G3, MIPS, ARM architecture and AVR (atmega328p/Arduino). Xinu was also used for some models of Lexmark printers.[2]
Despite its name suggesting some similarity to Unix, Xinu is a different type of operating system, written with no knowledge of the Unix source code, or compatibility goals. It uses different abstractions, and system calls, some with names matching those of Unix, but different semantics.[2]
^Xinu license
^ abcGarfinkel, Simson; Spafford, Gene; Schwartz, Alan (2003). Practical UNIX and Internet Security. O'Reilly. p. 19.
XINU Is Not Unix (XINU, a recursive acronym), is an operating system for embedded systems, originally developed by Douglas Comer for educational use at...
mt Xinu (from the letters in "Unix™", reversed) was a software company founded in 1983 that produced two operating systems. Its slogan "We know Unix™ backwards...
completed the original version of Xinu (and wrote correspondent book The Xinu Approach) in 1979. Since then, Xinu has been expanded and ported to a wide...
- Arduino Reference". www.arduino.cc. "xinu-avr: The Xinu OS for AVR ATmega328P". se.fi.uncoma.edu.ar. "xinu-arduino". October 9, 2022 – via GitHub....
MariaDB PHP Perl XBMC: XBMC Media Center (originally Xbox Media Center) XINU: XINU Is Not Unix XNA: XNA's Not Acronym'd YAML: YAML Ain't Markup Language...
system) UNOS UTS V VERSAdos VRTX VSOS (Virtual Storage Operating System) Xinu first release 1982 Commodore DOS LDOS (By Logical Systems, Inc. – for the...
file system Redox, an operating system in Rust using a MINIX-like kernel Xinu xv6 BSD-3-Clause with a fourth clause. Michael Larabel (16 September 2014)...
Scheduling and Context Switching". Operating System Design. Vol. I: The XINU Approach (PC Edition). Prentice Hall. p. 67. ISBN 0-13-638180-4. Context...
Microsoft Research to be verified end-to-end for type safety and memory safety Xinu – Study OS developed by Douglas E. Comer in the United States 86-DOS (developed...
Pintos Not Another Completely Heuristic Operating System (Nachos) Minix Xinu "Xv6, a simple Unix-like teaching operating system". Retrieved 2014-09-22...
broadband speaker. OS and Sub System: XINA is an application layer on top of XINU (OS) that handles the executive tasks of running a pinball machine, and also...
Berkeley Software Distribution (BSD) UNIX up to 4.3BSD, Ultrix-32, VAXELN, and Xinu. More recently, NetBSD and OpenBSD have supported various VAX models and...
system. At least one non-DEC operating system was available, BSD Unix from mt Xinu. It used the KA630-AA CPU module, a quad-height Q22-Bus module, which featured...
63h CHS File system AT&T SCO Unix, ISC, UnixWare, AT&T System V/386, ix, MtXinu BSD 4.3 on Mach CHS Yes File system Mach and BSD GNU/Hurd Old GNU/Hurd with...
initial investment in The WELL (along with the VAX computer running the mt Xinu variant of Unix). In 1996, the WELL began also using and licensing the "Engaged"...
(file system, binary format, shell) from other popular OSes of the time (Xinu, Minix, DOS). Empix is quite small (about 10,000 lines of code) and supports...
talks submitted. Free and open-source software portal MINIX file system Xinu xv6 Comparison of operating system kernels List of computing mascots Category:Computing...
Research Unix, and a commercially supported version was available from mt Xinu. To guide the design of 4.2BSD, Duane Adams of DARPA formed a "steering committee"...
of the earliest network-shared memory ports on UNIX and the first port of XINU on UNIX. Libes's book Obfuscated C Code and Other Mysteries explains the...
Comer, computer science professor at Purdue; designed and implemented the Xinu operating system Joe Fafard, sculptor; Officer of the Order of Canada, 1981...
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