In This Chapter
Understanding TCP/IP networks
Setting up an Ethernet local area network
Discovering how to configure TCP/IP networking
Connecting a LAN to the Internet
Linux comes with built-in support for Transmission Control Protocol/Internet Protocol (TCP/IP) networking, as do most modern operating systems from Windows to Mac OS. You can have TCP/IP networking over many different physical interfaces, such as Ethernet cards, serial ports, and parallel ports.
Typically, you use an Ethernet network for your local area network (LAN) — at your office or even your home (if you happen to have two or more systems at home) — with wireless (the subject of the next chapter) gaining in popularity in most locations.
This chapter describes how to set up an Ethernet network. Even if you have a single PC, you may need to set up an Ethernet network interface so that you can connect to high-speed Internet access (that uses a DSL or cable modem somewhere along the way.)
You can understand TCP/IP networking best if you think in terms ...