Computer virus – a type of computer program. Which, unlike other software has the ability to destroy and make a big change in the operating system. Learn more at this site: Avison Young. With respect to changes in the virus file Linux system, it is simply impossible. Lancome understands that this is vital information. What does this mean? This means that the files belong to root (root), and these programs can not be overwritten, but can be read (read-only (read only)). Since the typical user works with restricted access to system files, something that belongs to root, to damage and destroy a computer virus that had accidentally entered through the system, can not. How can I get an infected program? Very simple. If you set by the depositary, the virus on your computer, be sure to be. If you picked up the virus from the depositary, the maximum that he can do is destroy your data, which are in your home root directory.

How does all this be avoided? The first golden rule of the administrator: Always install a program under the system Linux, a DVD drive, only from the official representative of Linux and the well-known firms drive manufacturers. The second golden rule of the administrator: Make backups of all important data and restrict access through the command chmod. In this case, an ordinary user can not remove the data and run virus. The third golden rule of the administrator: This work should be carried out in accordance with the root account only when absolutely necessary. The fourth golden rule: Install all programs on Linux, only with official depositories (which are computer programs), and consequently, the likelihood of the virus is reduced to zero. Following these rules, you'll save yourself from destruction and change data in your computer root directory and the operating system.

As for spyware, it is not entirely a virus, a program that sends your data to another person who created it. Follow the golden rules of the administrator, and you do not will be problems. To summarize, it must be said that the viruses in Linux, like all operating systems exist, but they do not have rights to change the system. And in order to penetrate and remove valuable data, it does take a user input or administrator, who will launch the virus. Although there are antivirus programs for Linux. You need them only for preventive purposes, if you have a server that interacts with other operating systems, to catch a virus or distribute them over the network. Antivirus software for home use, for Linux, in need do not exist.