UNIX is an operating system developed in Bell Laboratories and is an example of a multi-user operating system. It provides its users with: program development tools, computerized information tools, such as electronic mail, text editors, and manuscript formats. There are many development tools available as standard within the UNIX operating system than other OS. Join in the UNIX Online course to get placed with certifications. They provide a series of shells designed for the general purpose. They interact with the UNIX kernel which is the heart of the Operating System. Learn UNIX Online at skillsion to enhance your skills.