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Unix - Wikipedia, the free encyclopedia Unix or UNIX is a computer operating system originally developed in the 1960s and 1970s by a group of ATandT Bell Labs employees including Ken Thompson, Dennis Ritchie, and Douglas McIlroy. The Unix systems are characterized by various concepts: plain text files, command line interpreter, hierarchical file system, treating devices and certain types of inter-process communication as files, etc. In software engineering, Unix is mainly noted for its use of the C programming language and for the Unix philosophy. During the late 1970s and early 1980s, Unix's influence in academic circles led to massive adoption (particularly of the BSD variant, originating from the University of California, Berkeley) of Unix by commercial startups, the most notable of which is Sun Microsystems. en.wikipedia.org /wiki/Unix   (3716 words)

The Creation of the UNIX Operating System: An Overview of the UNIX* Operating System Although UNIX was developed by programmers for programmers, it provides an environment so powerful and flexible that it is found in businesses, sciences, academia, and industry. A major contribution of the UNIX system was its portability, permitting it to move from one brand of computer to another with a minimum of code changes. UNIX e-mail at first permitted users on the same computer to communicate with each other via their terminals. www.bell-labs.com /history/unix/tutorial.html   (960 words)

Unix - Open Encyclopedia   (Site not responding. Last check: 2007-10-18) UNIX® (or Unix) is a portable, multi-task and multi-user computer operating system originally developed by a group of ATandT Bell Labs employees including Ken Thompson, Dennis Ritchie and Douglas McIlroy. Version 7, the last version of Research UNIX to be released widely, was released in 1979. The UNIX trademark and the certification rights were sold to the X/Open Consortium, which was an industry group to define a "UNIX Standard". open-encyclopedia.com /Unix   (2721 words)

UNIX and UNIX variant information The UNIX today however is the not just the work of a couple of programmers. UNIX is primarily a command line oriented operating system you can get additional applications such as X-Window which allows you to have a graphic oriented operating system similar to Windows 3.x / Windows 95 / Windows 98. Because the UNIX operating system is an open operating system you will discover that there are various shells. www.computerhope.com /unix/unix.htm   (255 words)

TechiWarehouse - Unix Tips   (Site not responding. Last check: 2007-10-18) UNIX was one of the first operating systems to be written in a high-level programming language, namely C. Pronounced yoo-niks, a popular multi-user, multitasking operating system developed at Bell Labs in the early 1970s. Unix is known to be one of the most stable Operating Systems to be used. UNIX kernel is the main center of the UNIX operating system. www.techiwarehouse.com /Unix   (389 words)

UNIXGEEKS.ORG For those of you who have never heard of Unix, stick around to learn about some operating systems that may change the way you interact with computers. Anyone who has ever operated a keyboard (and those who haven't, yet want to learn) can install and administer Linux on their home computer. UNIX is a very powerful operating system for the business sector, offering companies the power, security and versatility that they need to run their business smoothly. www.unixgeeks.org   (133 words)

UNIX Manuals and Help Files We are developing a UNIX tutorial, aimed at absolute beginners to the UNIX operating system. This article is an introduction to programming the X library in C. We are currently in the process of selecting and publishing a set of the standard UNIX man pages, as it is our experience that these are often missing from systems when they are needed. UNIX is a registered trademark of The Open Group in the US and other countries. www.unix-manuals.com   (438 words)

The Creation of the UNIX* Operating System   (Site not responding. Last check: 2007-10-18) UNIX* computer operating system from Bell Labs is still regarded as one of the most powerful, versatile, and flexible operating systems (OS) in the computer world. Its popularity is due to many factors, including its ability to run a wide variety of machines, from micros to supercomputers, and its portability -- all of which led to its adoption by many manufacturers. Like another legendary creature whose name also ends in 'x,' UNIX rose from the ashes of a multi-organizational effort in the early 1960s to develop a dependable timesharing operating system. www.bell-labs.com /history/unix   (201 words)

A Brief History of Unix UNIX was originally developed at Bell Laboratories as a private research project by a small group of people starting in 1969. UNIX had a relatively small amount of code written in assembly language (this is called the kernel) and the remaining code for the operating system was written in a high level language called C. The group worked primarily in the high level language in developing the operating system. In UNIX because the C language was written to be used to implement an operating system rather than a traditional "input-processing-output" application, use of these sophisticated features is quite easily done from the C language without writing any assembly language. vertigo.hsrl.rutgers.edu /ug/unix_history.html   (1469 words)

The Unix Operating System   (Site not responding. Last check: 2007-10-18) Unix prefers to treat data as a "stream," whereas MVS prefers to work with "blocked" data. This is because on the Unix box, every time a user strikes a key, an interrupt and a screen update results. Unix has tried intentionally to keep the operating system extremely simple: at the simplest level which can abstract all the hardware. cbbrowne.com /info/unix.html   (1516 words)

[No title] Summarizing how pipes found their way into Unix, Vyssotsky notes that Thompson put them in, but "it was McIlroy who said, `look you ought to do it.' Pipes, like most things in Unix were not a radically new idea."(38) He describes how similar ideas had appeared in other languages like SIMULA as early as 1967. Once the Unix kernel was coded in C, it would become possible to implement Unix on different computers without having to rewrite the majority of the code. The contributions to the evolution of Unix by researchers at Bell Labs and then by those at the University of California at Berkeley, and other users and programmers around the world who continued the development of Unix, are an important achievement in the development of the process of software creation. www.columbia.edu /~rh120/ch001j.c11   (8764 words)

BYTE.com They were fascinated by Unix and began working on the Pascal system that Thompson had hacked together, improving it to the point where it became the programming system of choice for the students. Unix at 10 was also in use worldwide: Haruhisa Ishida introduced the system to the University of Tokyo in 1976; it was in use in several Australian universities; and there were many sites in the U.K., the Netherlands, Germany, France, Denmark, Austria, and Israel. Unix 7 had tremendous influence because of this and because of the number of new commands it contained: awk, lint, make, and uucp, for example. www.byte.com /art/9410/sec8/art3.htm   (3463 words)

OtherUnix The Pannolini Unix diapers are not a mere will o' the wisp; one correspondent supplied an image of the box, and the current owner of this instance of the name responded to mail to their webmaster. Unix Electric Company of Korea, in business since 1979, has a diverse line of appliances for the body, the kitchen, and the home. Unix is a takeoff on "unisex" which means diapers for both boys and girls. cm.bell-labs.com /cm/cs/who/dmr/otherunix.html   (2624 words)

Apple - Mac OS X - UNIX   (Site not responding. Last check: 2007-10-18) Beneath the surface of Mac OS X lies an industrial-strength UNIX foundation hard at work to ensure that your computing experience remains free of system crashes and compromised performance. UNIX users will feel at home in Darwin, the robust BSD environment that underlies Mac OS X. That environment is accessible at any time from the Terminal application. All of the standard UNIX utilities and scripting languages are included in Mac OS X: editors such as emacs, vim and even ed; file management tools such as cp, mv, ls and tar; shell scripts including bash (the default shell), tcsh (csh) and zsh. www.apple.com /macosx/features/unix   (700 words)

What is UNIX? - A Word Definition From the Webopedia Computer Dictionary Created by just a handful of programmers, UNIX was designed to be a small, flexible system used exclusively by programmers. UNIX was one of the first operating systems to be written in a high-level programming language, namely C. Bell Labs distributed the operating system in its source language form, so anyone who obtained a copy could modify and customize it for his own purposes. www.webopedia.com /TERM/U/UNIX.html   (960 words)

What is UNIX ? The Open Group holds the definition of what a UNIX system is and its associated trademark in trust for the industry. Today, the definition of UNIX ® takes the form of the worldwide Single UNIX Specification integrating X/Open Company's XPG4, IEEE's POSIX Standards and ISO C. Through continual evolution, the Single UNIX Specification is the defacto and dejure standard definition for the UNIX system application programming interfaces. You can also get involved in the ongoing development and maintenance of the Single UNIX Specification, by joining the Austin Group whose approach to specification development is "write once, adopt everywhere", The Open Group's Base Working Group or get involved in the UNIX Certification program. www.unix.org /what_is_unix.html   (386 words)

Amazon.com: UNIX for Dummies: Books: John R. Levine,Margaret Levine Young   (Site not responding. Last check: 2007-10-18) UNIX has been evolving feverishly for close to 30 years, sort of like bacteria in a cesspool – only not as attractive. While anybody who has already spent a while working with UNIX, will probably consider the approach and contents of this book as too simplistic, it appears to be a perfect fit for those readers who need to or want to take their first steps in this great operating system. Once the basic philosophy of UNIX has been communicated, and the reader has become familiar with the use of a wide variety of the standard commands, as well as the basic functionality of a few shell command interpreters, the reader is equipped with all the basics for jumping into the pool and paddling around. www.amazon.com /exec/obidos/tg/detail/-/0764504193?v=glance   (2158 words)

ircII: command line IRC client   (Site not responding. Last check: 2007-10-18) The UNIX operating system was the original home to the Internet Relay Chat, when some code developers wanted a way to chat in an easy-to-use, real-time forum and discuss their developments. UNIX has evolved over the years into many variant OS's such as Linux, BSD, Solaris, etc., sometimes collectively known as "*nix", "Unix-like" or simply "Unix". SourceForge is a community of coders and developers who use this venue to track the latest changes and offerings of their open-source code. www.irchelp.org /irchelp/ircii   (2274 words)

php-deluxe.net - description Unix Unix or UNIX is a computer operating system originally developed in the 1960s and 1970s by a group of AT&T Bell Labs employees including Ken Thompson, Dennis Ritchie, and Douglas McIlroy. During the late 1970s and early 1980s, Unix s influence in academic circles led to massive adoption (particularly of the BSD variant, originating from the University of California at Berkeley) of Unix by commercial startups, the most notable of which is Sun Microsystems. By 1993 most of the commercial vendors of Unix had changed their commercial variants of Unix to be based upon System V Release 4, and many BSD features were added on top. www.php-deluxe.net /wiwimod,index.page,Unix.htm   (3537 words)

Unix The turning point in Unix's history came when it was reimplemented almost entirely in C during 1972—1974, making it the first source-portable OS. Unix subsequently underwent mutations and expansions at the hands of many different people, resulting in a uniquely flexible and developer-friendly environment. So, while the trademark today is ‘UNIX’, both capitalizations are grounded in ancient usage; the Jargon File uses ‘Unix’ in deference to dmr's wishes. www.catb.org /~esr/jargon/html/U/Unix.html   (282 words)

Unix and Linux commands, information and help Unix which is not an acronym was developed by some of the members of the Multics team at the bell labs starting in the late 1960's by many of the same people who help created the C programming language. See additional Unix information and variants and information on the Unix variants page. Developed by Linus Torvalds and further elaborated by a number of developers throughout the world Linux (lee'nuhks/ or /li'nuks/,_not_/li:'nuhks) is a freely available multitasking and multiuser operating system. www.computerhope.com /unix.htm   (295 words)

Matt's Unix Security Page For those who might think it unwise to publicly disclose security holes and the techniques used to pass through them, I urge you to read Charles Tomlinson's Rudimentary Treatise on the Construction of Locks. A Phrack article describing the unix system logs and how it is possible to reduce the footprint and visibility of unauthorized access. A good general commentary on Unix security, with specific places to look for suspicious files if you believe your machine's security may be compromised. www.deter.com /unix   (2394 words)

UNIX Development on Mac OS X The UNIX community has developed a wide range of GUI toolkits over the years, primarily built on top of the X11 Windowing system. The UNIX Porting Guide provides an overview of what you need to do to bring an application from a UNIX platform to Mac OS X. It provides descriptions of many of the technologies present on Mac OS X that may be unfamiliar to UNIX application programmers. Many Mac OS X users are enthusiastically porting their favorite Unix tools and utilities to Mac OS X not only for themselves but also to share with the rest of the Apple science community. developer.apple.com /unix   (1426 words)

UNIX This was a major advantage for Unix and led to its widespread use in the multi-platform environments of colleges and universities. UNIX quickly spread throughout the academic world, as it solved the problem of keeping track of many (sometimes dozens) of proprietary operating systems on university computers. UNIX used as a generic term unless specifically used as a trademark (such as in the phrase “UNIX certified”). www.osdata.com /kind/unix.htm   (2095 words)

Open Directory - Computers:Software:Operating Systems:Unix   (Site not responding. Last check: 2007-10-18) Unix is a highly developed, mature, very stable, complex, and very powerful family of OSs for computers for running data processing and telephone systems. This is a general category for Unix operating systems (OSs) of the BSD variety. They have text-only interfaces, have some of the properties of programming languages, and are often used for remote access to systems through telnet or SSH client programs. dmoz.org /Computers/Software/Operating_Systems/Unix/desc.html   (780 words)

Unix is a Four Letter Word: Unix Unix is an operating system designed at AT&T for their own personal use. From: dmr@alice.att.com (Dennis Ritchie) Subject: re: UNIX Message-ID: <11613@alice.att.com> Date: 14 Nov 90 05:53:03 GMT Organization: ATandT Bell Laboratories, Murray Hill NJ I read, > Looks like folks are now beginning to credit the > development of UNIX to Kernighan and Ritchie, but > I thought the principal investigators were > *Thompson* and Ritchie. It's tempting to say that the reverse proportions hold for code, but in fact Kernighan and Ritchie are more nearly tied and Thompson wipes us both out. unix.t-a-y-l-o-r.com /Unix.html   (169 words)

Unix Tutorials, Linux Tutorials - Useful Free & Shareware Unix Tutorials Very Simple Unix Commands - If you have never seen unix before, here are the first commands you will use. Intro to UNIX This is written in an outline format and is far more complete than the above. Web Reference UNIX Tutorial This page also include links to a number of references, Unix collections, and information on the different flavors of Unix. www.unixtools.com /tutorials.html   (352 words)

Community Resource and Instructor Support Program (CRISP)   (Site not responding. Last check: 2007-10-18) The Unix community has always shared their ideas, now Unix instructors have the same opportunity. Combining these slides with the Unix II syllabus for North Lake will enable you to offer both Unix I and Unix II and all you will need to do is write the labs and tests. They have graciously allowed us to link to their various pages that discuss Unix and Unix commands, the history of both Unix and Linux, some of the Linux/Unix variants, and some useful Unix/Linux resources. snap.nlc.dcccd.edu   (656 words)

www.bsd.org A list of DOS commands, and their UNIX counterparts UNIX questions sent to this address will be politely sent to /dev/null - we do not have time to answer them. *UNIX is a registered trademark of The Open Group. www.bsd.org   (262 words)

Unix Tech Jobs - ComputerJobs.com Who was the first person to be granted the grade of "General of the Army of the United States"? Knowledge of IBM SUN UNIX, TCP/IP, relational date base, personal computer and related peripheral equipment is required. Must possess excellent communications and interpersonal skills and be able to effectively work with all levels of management. www.unix.computerjobs.com /site_results.aspx   (1250 words)

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