The Linux operating system was built to be an open source clone of a series of older operating systems, but primarily of Unix, a multiuser computer operating system that was built by AT&T during the 1970s. At that point in computer history, the desktop powerhouse that we have today was unknown – all computing took place on a central computer system that you would connect to using a “dumb” terminal, a keyboard and monitor that was connected to the central computer, either ...
3. Basic Linux Administration via the Command Line
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