Linux and Windows operating systems are both dominant in the web-hosting in the IT industry. They are both widely used by almost everybody but this might depend on the organization's desires. Linux is the most secure operating system since there security on their servers are very high as compared to windows. Windows requires antivirus to be installed so that it can prevent penetrations from hackers and malware away from infecting the systems but Linux has default security software which cannot be easily attacked by hackers. Linux requires experts to understanding operating using this system since they involve mostly the use of the commands as compared to Windows which is more user-friendly but more vulnerable in terms of the security measures. Linux is the best OS in terms of security.