Geek Gallery

In the early days of personal computers, in the age of the DOS command-line operating system, there were viruses that hid their presence from the users and anti-virus programs. They did it by intercepting some system calls that were responsible for reading the files, and lied to the system by filling these calls with fake information. You could view an infected file right in front of your eyes and see nothing but legit code! These viruses were called ’stealth’ in those days.

When computers evolved, Windows replaced the DOS. Old viruses did not run under the new operating system, and it wasn’t easy to develop simple hacks to intercept system calls in Windows. But time has passed, and now there’s a new wave of viruses that can work on Windows and hide their presence even more efficiently than the stealth viruses of the old days. These new viruses are called rootkits. Microsoft tried to address the problem by releasing their own Rootkit Revealer.
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We are living in an Information age and today more and more people use computers to help them reach information or to do some work. Every computer in order to operate uses an operation system and one of the most frequently used operation systems today is called Microsoft Windows. It has many versions but when it comes down to repair there are some fundamental things that people should know to easily help themselves and to know exactly when a help from a specialist is necessary. Anti virus is what you all need to know about.

It is done by simple copy of your important data into one or more locations or you can use more sophisticated methods like partition backups or system backup. I will not give any details because the goal of this article is only to give you the basics to enable anyone who want to begin from there. Now I will tell you about some basic operations you need to learn to perform on a regular basis.
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