Command Prompt Commands 2

this is just a follow on of my previous post in regards to CMD commands, here is just some of the more advanced tricks and tips you can do with Command prompt.
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net user ________ * (write the username in the blank spot)

(this makes and removes passwords for any user on the computer.)
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net user ________ /time:M-W,10am-8pm

net user ________ /time:all (undoes the above)

(this stops people logging in to a specified account at a certain time, M= monday T= tuesday W= wednesday TH(im guessing) = thursday F= friday time can be added too EG 10am-8pm)
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trace an IP ADDRESS with CMD
tracrt

(this will trace any ip for you)
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open CMD when blocked

1: open notepad

2: type @echo off

command

@echo on

3: save as .bat file

4: run .bat file, now you have CMD even when blocked.
OR
1: open notepad

2: type command.com

3: save as cmd.bat

4: run it to open cmd
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unblock a website

1: in notepad type @echo off

title web unblocker

ns lookup

2: type in name of website

3: it will give 3 lots of number

4: type those numbers into web broswer

5: kaboom! it should be unblocked
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create a self extracting program (XP ONLY)

go to start>run>iexpress
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Create a netmeeting (XP ONLY)

go to start>run>conf
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run windows media player 2 (XP ONLY)

go to start>run>mplayer2
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view all current ports (in/out)

netstat
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.bat / batch files.. how to make them

@echo off = stops commands from being shown.
echo = sends whatever is after it to the screen
EG: echo hi ppl

del = deletes whatever file is after it, or del *.* deletes every file in the folder
EG: del example.txt

cd = changes to whatever folder is after it, or cd .. goes back one
EG: cd C:\

format = formats whatever disk is after it
EG: format A: