Friday, October 18, 2019

UNIX Operating System History Essay Example | Topics and Well Written Essays - 2500 words

UNIX Operating System History - Essay Example Moreover, the sixth edition in 1975 was not associated with AT&T and became popular in the academic world because it was bundled with rich features, powerful, free of cost and compatible with common platforms and most importantly possess a complete source code (Fox 1807-1814). Likewise, in the year 1979, Ken was working with his colleague Bill joy and Ozalp Babaoglu at the University of California, Berkeley to improve UNIX that resulted in a new version known as Berkeley Software Distribution (BSD) UNIX (Fox 1807-1814). Moreover, after consolidating all internal research and development versions of UNIX systems to release its own version, AT&T releases its commercial version of UNIX named as UNIX System III. It is possible for an operating system to be matured as well as state of the art simultaneously? If it is UNIX, then the answer would be â€Å"Yes.† UNIX has contributed in the Information technology sector for the last 25 years. Millions of installations conducted on vari ous platforms and UNIX has proved to be organized and scalable. Operating systems are compared by their functionality and performance. UNIX has contributed immensely in recent years. ... By the UNIX fast XML proxy support, web services are developed in no time on a distributed system as compared to the previous server architecture. IBM 32 way UNIX servers were also launched in year 2001 with the code name â€Å"Regatta†. The microprocessor architecture comprises of 1 GHz 64 Bit Power 4. This UNIX server is capable of self-healing technology and to decrease system failures. The system is capable to divide into 16 virtual servers which enable the businesses to integrate several machines in to one (Popovich 11). The Client-server model of UNIX was the core components for the growth of Internet and reshaping of the distributed systems networks. Inter process communication in the UNIX operating system involves the connection between the system components logically and physically. It supports real time network applications which allow the user to exchange messages in an interactive session. UNIX is known as a command line interface due to nonexistence of a GUI envir onment Today UNIX is equipped with a GUI along with dynamic communication functionalities. Some of the registered UNIX products are HP-UX, IBM AIX, SCO UnixWare, SGI IRIX, Sun Solaris etc. UNIX Directory Structure UNIX Directory Structure Figure 1.1 UNIX Shells A shell can be defined as an entity that processes user input on the behalf of computer. The bourne shell was the first shell that was programmed by Stephen Bourne deputed at Bell Laboratories (Verma, n.d). Likewise, Bourse shell was an integrated function of the UNIX operating system. Moreover, Kourne shell that was subset of Bourne shell was coded by IBM. However, Kourne shell is not supported by all

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