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Essay on history of linux
History of computer operating systems
History of computer operating systems
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LINUX
One of the up and coming server operating systems is Linux. In an article from CNET News on July 24, 2000, a new study has identified Linux as being a significant threat to Microsoft in the server market over the next few years. What is Linux and how is it making its impact on the server industry? This paper will answer these questions.
Linux – What is it?
Linux is a free Unix-type operating system originally created by Linus Torvalds along with other developers in the industry. Linux is an independent POSIX (Portable Operating System Interface) implementation and includes true multi-tasking, virtual memory, shared libraries, TCP/IP networking and other features consistent with Unix-type systems.
Linux was developed under the GNU General Public Licensing and all of its source code is freely available to everyone. This doesn’t necessarily mean that the program and all of the distributed software is free. There are companies and developers that may charge money for the program as long as the source code remains available.
Linux In Business?
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One of the main reasons is the cost-effectiveness of the operating system itself. As well, there are numerous articles all over the Internet and news media detailing the positive aspects of open source operating systems in business today. One reference found on the Open Source website describes the basic idea behind open source code. “When programmers on the Internet can read, redistribute, and modify the source for a piece of software, it evolves. People improve it, people adapt it, and people fix bugs. And this can happen at a speed that, if one is used to the slow pace of conventional software development, seems astonishing.” (Open Source, August
I was very interested in computers and technology as a child, both playing games and building fake parts for them. Still in elementary school, I was fascinated by these computing machines, spending hours on end working with DOS to satisfy my curiosity. Around my middle school years, Windows became graphical, and I found interest in even more computer games with even greater experiences and capabilities. Windows was the dominant operating system at the time, but I was soon to find there was a whole different world out there of operating systems. While out on vacation in Washington, DC, my Dad and I were able to meet with the local Tech Fanatics group, HackDC. It was here where I discovered Linux. Linux, an alternative to Windows, immediately grabbed my attention when I saw it in use. It appeared to me as something that only the extreme computer users even heard of. Upon my return home,
Verizon Wireless cellular service is inelastic because the products and services it offers makes them the dominant leader in the wireless industry; therefore, a 10% change in calling plan prices (monthly access fees) would not affect the quantity demanded. Verizon Wireless can depend on this inelasticity in their pricing model because of the strength of its brand and the wealth of products and services it offers. Verizon Wireless' competitive advantage comes from its ultra-low churn rate (the percentage of customers who disconnect their service is less than one percent of its 60 million customer base). This indicator suggests that customers are satisfied with the service Verizon Wireless offers and a slight price increase probably would not drive its customers to the competition. This data also suggests that customers probably stay with Verizon Wireless because of its continued expansion of new technologies and services such as its all-digital nationwide CDMA network, EVDO' or its advanced data network (used to wireless send and receive email and other data almost anywhere in the US), and VoIP (Voice over Internet Protocol) that they use for their Push to Talk products. Verizon Wireless markets to a nearly all demographics nationwide and most of its services are offered in the smaller rural markets as a direct result of the one billion dollars per quarter it spends on improving its network as well as acquiring smaller wireless networks to make their nationwide network stronger and larger.
(1) The Center on the Social and Emotional Foundations for Early Learning, or CSEFEL, is a training model designed to provide teachers with curricula and skills to promote social-emotional learning in their preschool classrooms in order to prevent challenging behaviors (CSEFEL, n.d.). I interviewed Dr. Mary Louise Hemmeter, who is the principle investigator at CSEFEL at Vanderbilt University. This center works with child care programs, preschools, and Head Start programs to prepare children for the transition into kindergarten, where self-regulatory and social-emotional skills are necessary (Hemmeter, Ostrosky, & Fox, 2006). This program promotes social-emotional skills for all children in the classroom to prevent challenging behaviors, and
Yes, all the four provide cellphone service, but what makes AT&T and Verizon stand out is that they go the extra mile in reaching every customer there is out there. If anybody does a google search and types in either AT&T or Verizon the first thing that comes up in their website is what type of services they offer. Verizon offers wireless service which means anything from the cellphones to the cellphone plans they provide. Residential service which includes Internet, TV& home phone services for your home. Business means anything that has to do with your business, Verizon will help you. AT&T has the same service wireless, residential, and business.
Mobile is the first order priority device for access because people are connecting with others, finding entertainment, and doing business—all with smart phones. The prices of mobile phones are never over $1,000 in today’s world. They are affordable and accessible. As the result of the changes the worldwide and national business environment has undergone, people own 1-2 cell phones on average. However, the mobile markets in US seems to have been saturated.
COST- AT&T is adequate in this regard. It is positioned to offer competitive pricing to the numerous services it offers. Rollover Minutes, Family Unity Plan
Today, almost all people use cell phones. After buying a cell phone, people will choose which plan they will use. Now, there are many cell phone service companies in the US, so the cell phone users have to be careful when they choose the plans. Many cell phone service companies provide websites in order to give information to the cell phone users. The ease of use of the website, the information that it gives, the design and the organization of the website are the factors that will influence cell phone users in choosing their plan.
As the internet is becoming faster and faster, an operating system (OS) is needed to manage the data in computers. An Operating system can be considered to be a set of programed codes that are created to control hardware such as computers. In 1985 Windows was established as an operating system and a year earlier Mac OS was established, and they have dominated the market of the computer programs since that time. Although, many companies have provided other operating systems, most users still prefer Mac as the most secured system and windows as it provides more multiple functions. This essay will demonstrate the differences between windows
In this day and age it seems like everyone from the youngest to the oldest has a cellphone. I’ve seen children as young as 5 years to adult over the age of 80 years olds using a cellphone. I believe I don’t need a cellphone. Cellphones and its accessory such as the cases can be very expensive. Don’t get me started on the monthly bill. When you first open an account, the wireless carrier claims they are giving you the best plan ever, and that the monthly rate will remain the same for a least one year. However, within a month or two you look on your bill and see that you have to pay at least $40 more than when your service started. These are the hidden fees and cost that the carrier does not tell you about when they lure you in to choosing
Cellular phones carry a diverse group of users. In June 1985, there were about 203,000 cellular phone service subscribers. By June 1989, the number had exploded to 2.7 million subscribers, and by June 1995 there were mire than 26 million subscribers. When cell phones were first introduce, only people with a lot of money had them and the service was very expensive. It was a lot cheaper to stop and use the pay phone than it was to use a cell phone. Now, it is almost as cheap to use a cell phone to make a long distance call as it is to make a long distance call using AT&T.
...nning pirated versions of Windows, whose owners tried to circumvent the (legal purchasing) system and reduce their costs. Other individuals and in emerging nations have purchased PCs with Windows “Starter” editions in which the cost of software is lower. The items mentioned here are ways Microsoft is trying to deal with the threat of Linux.
Then came Linus Benedict Torvalds. At the time he was a sophomore majoring in Computer Science at the University of Helsinki, his hobby also included computer programming. At 21 he found himself spending most of his time toying with computer systems, trying to see what he could do in order to push their limits and increase their functionality. The key missing in his tests was an operating system that had the flexibility craved for by professionals. MINIX was available, though it was still just a stu...
Global service coverage is in large demand, especially from businessmen who frequently travel. Linda Stern suggests in Newsweek to global travelers that they should “buy your phone and service from T-Mobile, AT&T or Cingular, the only three U.S. companies to use the internationally dominant GSM (Global System for Mobile communication).” Depending on the service provider, one may or may not get coverage in other countries. For example, Verizon customers enjoy phones that work in Latin America, while Cingular customers have coverage in Europe. Even better is AT&T Wireless, which offers “vast international coverage” or TMobile, another international carrier (Stern). Service coverage varies greatly by carrier, with some reaching many countries and others only small portions of a single country.
The opposing side to my beliefs are that abortions should be legal. One point used stated that if we as a country made abortions more affordable and convenient lives of women all around the world could be saved. Unsafe abortions lead to the deaths of 47,000 women every year, with
You can order local, regional or national mobile phone network coverage. Long distance and roaming fees are charged by most carriers, but if you can find a local or regional plan you can save a lot of money. Coverage charges can add up quickly so estimate the number of minutes you will need. If you exceed the allotted minutes, the provider will let you upgrade to more minutes. The minutes will be used on both incoming and outgoing calls. Most carriers have coverage maps on their websites. A prepaid cell phone eliminates the need to be locked into a contract.