By Dave Taylor
UNIX is likely one of the significant working platforms in use this present day. for those who have to wake up and working fast, this easy-to-follow consultant is simply the source they want. utilizing specific reasons and real-world examples, clients may have the hands-on event they should construct an excellent knowing of this strong working procedure. * The confirmed, winning structure of the educate your self sequence promises UNIX luck in 24 one-hour classes * Covers all significant types of UNIX * exhibits easy methods to create UNIX house, glance inside of documents, edit records, discover the surroundings, and successfully use strength UNIX instruments
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Additional resources for Teach Yourself UNIX in 24 Hours
23 2 Hour 2 24 JUST A MINUTE The percent sign is UNIX’s way of telling you that it’s ready for you to enter some commands. ” Your system might be configured so that you have some slightly different prompt here. The possibilities include a $ for the Korn or Bourne shells, your current location in the file system, the current time, the command-index number (which you’ll learn about when you learn how to teach the UNIX command-line interpreter to adapt to your work style, rather than vice versa), and the name of the computer system itself.
One is “tty” to describe a computer or terminal line. This comes from the earliest UNIX systems in which Digital Equipment Corporation teletypewriters would be hooked up as interactive devices. The teletypewriters quickly received the nickname “tty,” and all these years later, when people wouldn’t dream of hooking up a teletypewriter, the line is still known as a tty line. 3. One of the most dramatic influences UNIX systems have had on the computing community is the propensity for users to work together on a network, hooked up by telephone lines and modems (the predominant method until the middle to late 1980s) or by high-speed network connections to the Internet (a more common type of connection today).
1. To use dc for the calculations shown previously, enter the following characters shown in bold. The result follows each completed entry. 358 quit % 2. The set of commands available in dc are different because dc addresses a different set of mathematical equations. The dc command is particularly useful if you need to work in a non-decimal base. (For example, some older computer systems worked in octal, a base-8 numbering system. 3 summarizes some of the most useful commands available in dc. 3.