tanya
From Windows to Linux?
I have been repairing and maintaining computers for over 20 years. Started work at MSDOS. Then Windows 3.1; Windows 95, 98; Windows 2000 Finally, Windows XP. And today – Windows 7 and 8.
These operating systems were far from always satisfactory. Firstly – paid and not cheap. Secondly, applications are also mostly paid. The third point is unstable operation, crashes, glitches and, in connection with this, loss of information. Windows is susceptible to viruses. It is necessary to equip the computer with anti-virus applications. At the same time, there is another operating system – Linux, which practically does not have these shortcomings. And most importantly – it’s free. Yes, and almost all software is also free. At the initial stage of development, Linux was difficult for the average user, since Continue reading
Work at the computer. How to avoid occupational diseases?
They came without an invitation and said: “Hello, allow me to introduce myself: these are we, three new diseases of the new century, -“ text neck ”,“ smartphone finger ”and“ dry eye ”. However, we, educated people who are knowledgeable in the rules of etiquette, do not want to answer them “very nice” and “welcome”.
Even judging only by the names of these diseases (in the foreign press, respectively, “text neck”, “smartphone finger”, “dry eye”), there is a feeling that we are talking about some sort of gang warfare. In fact, it is: these near-computer diseases are fighting against us, the near-computer population, fighting on all fronts. Not so long ago, electronic gadgets have come into our lives, and already more than 80% of white-collar workers in all developed countries suffer from symptoms of these diseases. In 2011, scientists from the British Physiotherapy Continue reading
What is the Morris Worm?
In early November 1988, the first ever network attack on computers connected to the global network took place. Her culprit was Cornell University graduate student Robert Tappan Morris.
The program, written by Robert Morris, had a small dictionary of the most well-known passwords, which provided it with penetration of 10 percent of computers connected to ARPANET. Once on a foreign computer, the program first checked whether the same program was already installed here. If the computer was still “clean”, the program masked its presence in the system, read a file that contained information about users of the “occupied” system, forwarded this information to the author, and then Continue reading
