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

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

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

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


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