CHAPTER 9Networking with TCP/IP

Many applications require individuals to access resources on remote machines. To meet this need, more and more computers are linked together via various types of communications facilities into many different types of networks. Nowadays, a large percentage of computers have connections to the Internet, a vast network of computers (discussed in Chapter 10).

This chapter will concentrate on the commands built into UNIX for TCP/IP networking. The Internet is based on TCP/IP networking and was originally built using UNIX to link computers running UNIX. The corresponding network administration capabilities devoted to installing, configuring, and maintaining TCP/IP networking are covered in Chapter 17.

UNIX includes networking ...

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