12. TCP/IP Networking
It would be hard to overstate the importance of networks to modern computing, although that doesn’t seem to stop people from trying. At many sites, web and email access are now the main activities for which computers are used. As of early 2006, the Internet is estimated to have more than a billion users, a 55% increase over 2001’s estimate. Maintenance of local networks, Internet connections, web sites, and network-related software is a bread-and-butter part of most sysadmins’ jobs.
TCP/IP is the networking protocol suite most commonly used with Linux/UNIX, Mac OS, Windows, and most other operating systems. It ...
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