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


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UNIX

IS UNIX STILL USED TODAY?

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 grandfather of ***** systems" as a result ***** the years it has ***** extant. The OS was developed ***** the 1960s and born out of ***** need by Bell Laboratories in the United States to have an operating system that could be use ***** its staff to assist *****m in their scientific ***** academic research. It is older than Microsoft's brand of operat*****g ***** and considered more secure and less bug/error-free! "It was designed ***** users who were largely com*****er scientists and AT&T (the owners ***** Bell *****) made UNIX available at nominal cost to ***** users, with whom it became popular. This helped to cre*****e a market for UNIX, at a time when technological changes had themselves 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 ***** *****came commercially available. Several st*****ards are now being worked *****, and UNIX is steadily becoming the st*****ard ***** system in many environments. (Wynne, 1997)"

***** ***** still in used by millions of 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 *****g*****izati*****. A more ***** offshoot - although Linus Torvalds at times won't admit it - is the Linux family of oper*****ing systems. "The ***** for the UNIX system continues to expand. IDC estimates ***** market at US$ 39 billion in 1996 and forecasts the market to be US$ 50 billion in ***** year 2000. In add*****ion, the installed base ***** the UNIX ***** ***** an estimated value of *****$ 122 *****. These market estimates lead ***** several conclusions about the UNIX system, as follows: An annual market of US$ 39 billion is large enough to remain attractive to many suppliers and ***** provide sufficient revenue to fund continuing high levels ***** investment in support and product enhancement. The UNIX system's growth rates, which appear modest in comparison to the unit shipment growth of newer *****s, are anchored by an enormous *****stalled base. High unit shipment growth ***** are typical of new entries in a marketplace. (UNIX Systems Cooperative Promotion Group, 2006)"

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

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