Grab pTerminal from the market, reboot your phone, open pterminal quickly, cd to /system/bin/
then enter telnetd 2 or 3 times, then type telnet "your phone ip"
Take a look:
kyle@ion:~$ telnet 192.168.0.88
Trying 192.168.0.88...
Connected to 192.168.0.88.
Escape character is '^]'.
# id
uid=0(root) gid=0(root)
# cd proc
# cat version
Linux version 2.6.25-01843-gfea26b0 (android-build@apa27.mtv.corp.google.com) (gcc version 4.2.1) #6 PREEMPT Mon Oct 6 14:13:36 PDT 2008
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