To get to the command prompt in Windows XP go to: Start, Run and in the empty box type cmd and then hit the enter key. If you do not have the RUN option please contact your network administrator.
Display Connection Configuration: ipconfig /all
Display DNS Cache Info Configuration: ipconfig /displaydns
Clear DNS Cache: ipconfig /flushdns
Release All IP Address Connections: ipconfig /release
Renew All IP Address Connections IP Configuration: ipconfig /renew
Refresh DHCP and Re-Register the DNS connections: ipconfig /registerdns
Display DCHP Class Information: ipconfig /showclassid
Change/Modify DHCP Class ID: ipconfig /setclassid
Network Connections: control netconnections
Network Setup Wizard: netsetup.cpl
Test Connectivity: ping Example: ping www.i-hack.org
Trace IP address Route: tracert
Displays the TCP/IP protocol sessions: netstat
Display Local Route: route
Display Resolved MAC Addresses: arp
Display Name of Computer Currently on: hostname