Wast majority of IT companies are already engaging Linux in a process of application development, web hosting, supercomputing or some kind of general computing service. According to the recent Suse Linux report, Red Hat Linux is currently the most-deployed platform by companies and this fact can also be confirmed by the LinuxCareer’s IT Skills Watch. According to the IT Skills Watch, the demand from advertisers of IT job opportunities for the knowledge of RedHat operating system is greatest when compared with other Linux operating systems. Moreover, it can also be concluded based on the LinuxCareer’s research that such demand has been rather stable in the last three months.