Linux is an open source operating system unlike Windows NT. One can easily modify the code and use it as his/her requirements. It is multiuser operating sytem like NT and very robust as NT. It offers a strong shell background, where users can communicate directly with Linux Kernels. Secruity in Linux is very strong as it use various types of files to maintain user profile. It offers a special type of password security known as "Shadow Password".Linux doesn;'t need to restart unlike NT after anyinstallation. However one can reboot a Linux system continuing after 6 months.Above all Linux is free operating system unlike NT, and one can easily download it from internet.
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