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Using the system

What do I need to know?

For UNIX systems, a system administrator takes care of the system: maintaining it, backing up files, installing software, and handling any problems that might come up. System administrators also sometimes assist users. This chapter focuses on using the system; for more information on system administration, see -1.

On the most basic level, 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 complex tasks ranging from accounting to word processing to database research to developing other programs.

To use the system most effectively, you should understand how to:



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