Firefox URL codes

These are a few special URLs, which begin with about:

Just type them into the address Bar of Mozilla Firefox.

  • about: — displays info about your Firefox.
  • about:about — Lists all these about: URLs (Mozilla Suite only).
  • about:blank — A blank page. Useful for setting a blank page as your homepage.
  • about:buildconfig — Reveals details about your Mozilla build options.
  • about:cache — Displays cache stats.
  • about:cache?device=memory — Lists memory cache entries.
  • about:cache?device=disk — Lists disk cache entries.
  • about:cache-entry — Shows info about a cache entry. Used in about:cache links. Also requires parameters.
  • about:config — GUI for modifying user preferences (prefs.js).
  • about:credits — The list of contributors to the Mozilla projects.
  • about:logo — Displays the Mozilla logo (Mozilla Suite only).
  • about:license — shows the Mozilla Public License and the Netscape Public License for the piece of software. ( Only in products based on Gecko 1.8 ).
  • about:mozilla — The Book of Mozilla.
  • about:plugins — Lists all your plugins.

Shutdown Shortcut

So do you want to amaze your friends by shutting down their computer with a couple of keystrokes? Try this out:

On your keyboard press the windows key, now press ‘u’, then press ‘u’ again!

and lo! The Windows computer will shut down!

Note: Do not press all the 3 keys together.

Alternate: press ctrl+esc (together), now press u, then u again.

A Great Alternate

You can even create a file that will shutdown your computer as soon as you open that file. You can keep it on your desktop for easy and instant shut down.

  • Paste the following code into Notepad
    SHUTDOWN -s -t 00
  • Save the notepad file as shutdown.exe
  • Whenever you click on that file now, your computer will shutdown

Tip: You can even mail this file to a friend (only friends please), saying that it’s a magic file or something & persuade them to download and run this file.

They will be startled when they see their screen go blank and windows shut down..!!!

But please do NOT spam

Note: This trick works only on Windows XP

Find MAC Address of your Windows computer

Follow the steps below to find the MAC Address of your Windows Computer

  • Click on Start>Run
  • type cmd and press enter
  • In the command prompt black window, type ipconfig /all (space between g and /)
  • Alternatively, if using Windows XP, you can use the command getmac
  • Your MAC Address is listed under ‘Physical Address’ as a series of 6 groups of two digits, letters and numbers, separated by dashes.
  • Example: 00-3d-63-44-21-84


Make sure you get the physical address of the correct network adapter – usually there are several listed.

Bluetooth MAC address

If your Nokia cell phone has inbuilt Bluetooth connectivity, then if you dial this code below, it will display the MAC Addres of your Bluetooth
*#2820# – Display Bluetooth MAC address
A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment.