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 has been called "the grandfa*****r of ***** systems" as a result of the ***** it h*****s been 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 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 for users who were largely computer scientists and AT&T (the owners of Bell *****) made UNIX available at nom*****al cost to ***** *****, with whom it became popular. This helped to cre*****e a market for UNIX, at a time when technological changes had *****mselves created a need for ***** portable multi-user operating system. As a result ***** began to be adopted ***** non-academic users in the 1980's as it became commercially available. Several st*****ards are now being worked *****, and UNIX is steadily becoming the standard operating system in many environments. (Wynne, 1997)"

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

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


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