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In general terms, you can bring information into your system (through the keyboard, disks, tapes, modems, or network connections), store the information in files, organize and manipulate those files, and send information out from your system (through the screen, printers, disks, tapes, modems, or network connections). By combining these operations, especially by using programs that combine them, you can accomplish a wide range of complex tasks, for example, accounting, word processing, database research and developing other programs.
For UNIX systems, a system administrator takes care of the system: installing it, maintaining it, backing up files, installing software, and handling any problems that might come up.
System administrators also sometimes assist users, but you should always try to resolve problems first using the online documentation. See ``Using SCOhelp'' for details about the online documentation and other sources of information.