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TCP/IP Tools and Commands

Most client and server operating systems that support Transmission Control Protocol/Internet Protocol (TCP/IP) come with a suite of commands and tools that are designed to let you examine TCP/IP configuration information and diagnose and correct problems. Although the exact form of these commands varies between Windows and Unix/Linux, most are surprisingly similar. This tutorial is a reference to the most commonly used TCP/IP commands.

In this tutorial:

  1. Using the arp Command
  2. Using the hostname Command
  3. Renewing an IP lease
  4. Using the nbtstat Command
  5. Using the netdiag Utility
  6. Using the netstat Command
  7. Using the nslookup Command
  8. Displaying DNS records
  9. DNS-Land
  10. Using the pathping Command
  11. Using the ping Command
  12. Using the route Command
  13. Using the tracert Command