20 Things must know about Windows XP
Now it's time to delve a bit deeper and uncover some of Windows XP's secrets.
1.  It boasts how long it can stay up. Whereas previous versions of Windows  were coy about how long they went between boots, XP is positively proud  of its stamina. Go to the Command Prompt in the Accessories menu from  the All Programs start button option, and then type 'systeminfo'. The  computer will produce a lot of useful info, including the uptime. If you  want to keep these, type 'systeminfo > info.txt'. This creates a  file called info.txt you can look at later with Notepad. (Professional  Edition only).
2. You can delete files immediately, without  having them move to the Recycle Bin first. Go to the Start menu, select  Run... and type ' gpedit.msc'; then select User Configuration,  Administrative Templates, Windows Components, Windows Explorer and find  the Do not move deleted files to the Recycle Bin setting. Set it. Poking  around in gpedit will reveal a great many interface and system options,  but take care -- some may stop your computer behaving as you wish.  (Professional Edition only).
3. You can lock your XP workstation  with two clicks of the mouse. Create a new shortcut on your desktop  using a right mouse click, and enter 'rundll32.exe  user32.dll,LockWorkStation' in the location field. Give the shortcut a  name you like. That's it -- just double click on it and your computer  will be locked. And if that's not easy enough, Windows key + L will do  the same.
4. XP hides some system software you might want to  remove, such as Windows Messenger, but you can tickle it and make it  disgorge everything. Using Notepad or Edit, edit the text file  /windows/inf/sysoc.inf, search for the word 'hide' and remove it. You  can then go to the Add or Remove Programs in the Control Panel, select  Add/Remove Windows Components and there will be your prey, exposed and  vulnerable.
5. For those skilled in the art of DOS batch files,  XP has a number of interesting new commands. These include 'eventcreate'  and 'eventtriggers' for creating and watching system events, 'typeperf'  for monitoring performance of various subsystems, and 'schtasks' for  handling scheduled tasks. As usual, typing the command name followed by  /? will give a list of options -- they're all far too baroque to go into  here.
6. XP has IP version 6 support -- the next generation of  IP. Unfortunately this is more than your ISP has, so you can only  experiment with this on your LAN. Type 'ipv6 install' into Run... (it's  OK, it won't ruin your existing network setup) and then 'ipv6 /?' at the  command line to find out more. If you don't know what IPv6 is, don't  worry and don't bother.
7. You can at last get rid of tasks on  the computer from the command line by using 'taskkill /pid' and the task  number, or just 'tskill' and the process number. Find that out by  typing 'tasklist', which will also tell you a lot about what's going on  in your system.
8. XP will treat Zip files like folders, which is  nice if you've got a fast machine. On slower machines, you can make XP  leave zip files well alone by typing 'regsvr32 /u zipfldr.dll' at the  command line. If you change your mind later, you can put things back as  they were by typing 'regsvr32 zipfldr.dll'.
9. XP has ClearType  -- Microsoft's anti-aliasing font display technology -- but doesn't have  it enabled by default. It's well worth trying, especially if you were  there for DOS and all those years of staring at a screen have given you  the eyes of an astigmatic bat. To enable ClearType, right click on the  desktop, select Properties, Appearance, Effects, select ClearType from  the second drop-down menu and enable the selection. Expect best results  on laptop displays. If you want to use ClearType on the Welcome login  screen as well, set the registry entry HKEY_USERS/.DEFAULT/Control  Panel/Desktop/FontSmoothingType to 2.
10. You can use Remote  Assistance to help a friend who's using network address translation  (NAT) on a home network, but not automatically. Get your pal to email  you a Remote Assistance invitation and edit the file. Under the RCTICKET  attribute will be a NAT IP address, like 192.168.1.10. Replace this  with your chum's real IP address -- they can find this out by going to www.whatismyip.com -- and get them to make sure that they've got port 3389 open on their firewall and forwarded to the errant computer.
11.  You can run a program as a different user without logging out and back  in again. Right click the icon, select Run As... and enter the user name  and password you want to use. This only applies for that run. The trick  is particularly useful if you need to have administrative permissions  to install a program, which many require. Note that you can have some  fun by running programs multiple times on the same system as different  users, but this can have unforeseen effects.
12. Windows XP can  be very insistent about you checking for auto updates, registering a  Passport, using Windows Messenger and so on. After a while, the nagging  goes away, but if you feel you might slip the bonds of sanity before  that point, run Regedit, go to  HKEY_CURRENT_USER/Software/Microsoft/Windows/Current  Version/Explorer/Advanced and create a DWORD value called  EnableBalloonTips with a value of 0.
13. You can start up without  needing to enter a user name or password. Select Run... from the start  menu and type 'control userpasswords2', which will open the user  accounts application. On the Users tab, clear the box for Users Must  Enter A User Name And Password To Use This Computer, and click on OK. An  Automatically Log On dialog box will appear; enter the user name and  password for the account you want to use.
14. Internet Explorer 6  will automatically delete temporary files, but only if you tell it to.  Start the browser, select Tools / Internet Options... and Advanced, go  down to the Security area and check the box to Empty Temporary Internet  Files folder when browser is closed.
15. XP comes with a free  Network Activity Light, just in case you can't see the LEDs twinkle on  your network card. Right click on My Network Places on the desktop, then  select Properties. Right click on the description for your LAN or  dial-up connection, select Properties, then check the Show icon in  notification area when connected box. You'll now see a tiny network icon  on the right of your task bar that glimmers nicely during network  traffic.
16. The Start Menu can be leisurely when it decides to  appear, but you can speed things along by changing the registry entry  HKEY_CURRENT_USER/Control Panel/Desktop/MenuShowDelay from the default  400 to something a little snappier. Like 0.
17. You can rename  loads of files at once in Windows Explorer. Highlight a set of files in a  window, then right click on one and rename it. All the other files will  be renamed to that name, with individual numbers in brackets to  distinguish them. Also, in a folder you can arrange icons in  alphabetised groups by View, Arrange Icon By... Show In Groups.
18.  Windows Media Player will display the cover art for albums as it plays  the tracks -- if it found the picture on the Internet when you copied  the tracks from the CD. If it didn't, or if you have lots of pre-WMP  music files, you can put your own copy of the cover art in the same  directory as the tracks. Just call it folder.jpg and Windows Media  Player will pick it up and display it.
19. Windows key + Break  brings up the System Properties dialogue box; Windows key + D brings up  the desktop; Windows key + Tab moves through the taskbar buttons.
20.  The next release of Windows XP, codenamed Longhorn, is due out late  next year or early 2006 and won't be much to write home about. The next  big release is codenamed Blackcomb and will be out in 2003/2007.