General
Unix Tutorial for beginners
Unix (officially trademarked as UNIX by The Open Group, sometimes also written as Unix) is a multitasking, multi-user computer operating system originally developed in 1969. Unix operating systems are still widely used in servers, workstations, and mobile devices. The Unix environment and the client–server program model were essential elements in the development of the Internet and the reshaping of computing as centered in networks rather than in individual computers.Unix was designed to be portable, multi-tasking and multi-user in a time-sharing configuration. This course teaches you the basics of the Unix Operating System