Essay - Unix is Unix Still Used Today? Unix...simply Put, is a...

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UNIX...simply put, is a robust *****nd scalable operating that has been in existence for almost over 30 years. In some cases, it ***** been called "the grandfa*****r of operating systems" as a result of the ***** ***** has ***** extant. The OS was developed in the 1960s and born out of ***** need by Bell Laboratories in the United States to have an operating system that could be use by its staff to assist *****m in their scientific and academic research. It is older than Microsoft's brand of operat*****g ***** and considered more secure and less bug/error-free! "***** was designed ***** users who were largely computer scientists and AT&T (the owners of Bell *****) made UNIX available at nominal cost to academic *****, with whom it *****came popular. This helped to cre*****e a market for *****, at a time when technological changes had ********** created a need for ***** portable multi-user operating system. As a result UNIX began to be adopted by non-academic users in the 1980's as it became commercially available. Several standards are now being worked out, and UNIX is steadily becoming ***** st*****ard ***** system in many environments. (Wynne, 1997)"

UNIX is still in used ***** millions ***** server worldwide and despite various variants ***** over the years, the b*****ic kernel remains ***** same with variations made depending on the needs of an individual or *****ganization. A more popular offshoot - although Linus Torvalds at times won't admit it ***** is the Linux family of oper*****ing *****s. "The ***** for the UNIX system continues to exp*****. IDC estimates ***** market at US$ 39 billion in 1996 and forecasts the market ***** be US$ 50 billion in the year 2000. In addition, ***** installed base of the UNIX system ***** an estimated value ***** US$ 122 billion. These market estimates lead to several conclusions about the ***** system, as follows: *****n annual market of US$ ***** billion is large enough to remain attractive to ***** suppliers ***** ***** provide sufficient revenue to fund continuing high levels of investment in support and product enhancement. The UNIX ********** growth rates, which appear modest in comparison to the unit shipment growth of newer products, are anchored by an enormous ***** base. High ***** shipment ***** ***** are typical of new entries in a marketplace. (UNIX Systems Cooperative Promotion Group, 2006)"

One ***** the main reasons for UNIX's unparalleled use and steady market growth is its portability, multi-user and multi-tasking ability especially when it comes ***** deployment in servers and workstations. In the client-server architecture, UNIX was instrumental in the development of ***** Internet as well as networking environment for various types ***** computers whether mainframe, microcomputers or PCs. ***** basic property of the UNIX OS is ***** ***** which sources out the commands f***** the whole system from booting, execution to shutdown. "The kernel is ***** part carries out basic operating ***** functions such as accessing files, allocating memory and handling communications. A shell provides


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