UNIX Tutorial for Beginners History of UNIX : UNIX was originally developed at Bell Laboratories as a private research project by a small group of people. Read all about the history of its creation. Typographical conventions In what follows, we shall use the following typographical conventions: · Characters written in bold typewriter font are commands to be typed into the computer as they stand. · Characters written in italic typewriter font indicate non-specific file or directory names. · Words inserted within square brackets [Ctrl] indicate keys to be pressed. So, for example, % ls anydirectory [Enter] means "at the UNIX prompt %, type ls followed by the name of some directory, then press the key marked Enter" Don't forget to press the [Enter] key: commands are not sent to the computer until this is done. Note: UNIX is case-sensitve, so LS is not the same as ls. The same applies to filenames, so myfile.txt, MyFile.txt and MYFILE.TXT are three seperate...