How to Block Any Website

1.    Open Run Menu & Paste %Windir%\System32\Drivers\Etc

2.    Find The File Named "Hosts"

3.    Open It In Notepad

4.    Under "127.0.0.1 Localhost" Add 127.0.0.2 www.Google.com 
And That Site Will No Longer Be Accessable.

5.     Done!

For Example-

      127.0.0.1 Localhost
127.0.0.2 www.Google.com
127.0.0.3 www.Google.co.in

For More Than One Site To Block-

      127.0.0.1 Localhost
127.0.0.2 www.Google.com
127.0.0.3 www.Google.co.in
127.0.0.4 Google.com
127.0.0.5 www.Yahoo.com
127.0.0.6 Yahoo.com
127.0.0.7 www.Orkut.com
127.0.0.8 Orkut.com
127.0.0.9 www.Youtube.com

Windows Operating System Shortcut Keys

Shortcut Keys	Description
Ctrl + (the '+' key on the keypad)	Automatically adjust the width's of all the columns in Windows explorer
Ctrl + Backspace	Delete word to the left of cursor
Alt + E	Edit options in current program
Alt + Enter	Opens properties window of Selected icon or program
Alt + Esc	Switch Between open applications on taskbar
Alt + F	File menu options in current program
Alt + F4	Closes Current open program
Alt + Print Screen	Copies active window to the clipboard
Alt + Shift + Tab	Switch backwards between open applications
Alt + Tab	Switch between open applications
Ctrl + A	Select all text
Ctrl + C	Copy highlighted text, data, or image
Ctrl + Del	Delete word to the right of cursor
Ctrl + End	Goes to end of document
Ctrl + Esc	Bring Up start button
Ctrl + F4	Closes Window in Program
Ctrl + Home	Goes to beginning of document
Ctrl + Insert	Copy selected item
Ctrl + Left arrow	Moves one word to the left at a time
Ctrl + Right arrow	Moves one word to the right at a time
Ctrl + V	Paste
Ctrl + X	Cut selected item
Ctrl + Z	Undoes a previous action
End	Goes to end of current line
F1	Accesses online help from most programs
F2	Renames selected Icon
F3	Starts find from desktop
F4	Opens the drive selection when browsing
F5	Refresh Contents
Holding Shift	Boot safe mode or by pass system files
Holding Shift	When putting in an audio CD will prevent CD Player from playing
Home	Goes to beginning of current line
Shift + Del	Cut selected item
Shift + Del	Delete programs/files without throwing into the recycle bin
Shift + End	Highlights from current position to end of line
Shift + F10	Simulates right click on selected item
Shift + Home	Highlights from current position to beginning of line
Shift + Insert	Paste

Microsoft Windows Shortcut Keys

Below is a listing of Windows keys that can be used on computers running a Microsoft Windows operating system and using a keyboard with a Windows key.

Shortcut Keys	Description
Windows Key + D	Minimizes all windows and returns the user to the desktop
Windows Key + E	Open Microsoft Explorer
Windows Key + F	Display the Windows Search / Find feature
Windows Key + CTRL + F	Display the search for computers window
Windows Key + F1	Display the Microsoft Windows help
Windows Key + L	Lock the computer (Windows XP and above only)
Windows Key + M	Minimizes all windows
Windows Key + Pause / Break key	Open the system properties window
Windows Key + R	Open the run window
Windows Key + SHIFT + M	Undo the minimize
Windows Key + Tab	Cycle through open programs through the taskbar
Windows Key+ U	Open Utility Manager

Word Shortcut Keys

Shortcut Keys	Description
Ctrl + A	Select all contents of the page
Ctrl + B	Bold highlighted selection
Ctrl + C	Copy selected text
Ctrl + X	Cut selected text
Ctrl + P	Paste
Ctrl + F	Open find box
Ctrl + I	Italic highlighted selection
Ctrl + K	Insert link
Ctrl + U	Underline highlighted selection
Ctrl + Y	Repeat the last action performed
Ctrl + Z	Undo last action
Ctrl + L	Aligns the line or selected text to the left of the screen
Ctrl + E	Aligns the line or selected text to the center of the screen
Ctrl + R	Aligns the line or selected text to the right of the screen
Ctrl + M	Indent the paragraph
Ctrl + Shift + F	Change the font
Ctrl + Shift + >	Increase selected font +1
Ctrl + ]	Increase selected font +1
Ctrl + Shift + <	Decrease selected font -1
Ctrl + [	Decrease selected font -1
Ctrl + Shift + *	View or hide non printing characters
Ctrl +	Moves one word to the left
Ctrl +	Moves one word to the right
Ctrl +	Moves to the beginning of the line or paragraph
Ctrl +	Moves to the end of the paragraph
Ctrl + Del	Deletes word to right of cursor
Ctrl + Backspace	Deletes word to left of cursor
Ctrl + End	Moves the cursor to the end of the document
Ctrl + Home	Moves the cursor to the beginning of the document
Ctrl + Spacebar	Enable / Disable auto correction
Ctrl + 1	Single-space lines
Ctrl + 2	Double-space lines
Ctrl + 5	1.5-line spacing
Ctrl + Alt + 1	Changes text to heading 1
Ctrl + Alt + 2	Changes text to heading 2
Ctrl + Alt + 3	Changes text to heading 3
F1	Open Help
Shift + F3	Change the case of the selected text
F4	Repeat the last action performed (2000+)
F5	Open goto window
F7	Spell check selected text and or document
Shift + F7	Activate the thesaurus
F12	Save as
Shfit + F12	Save

Excel Shortcut Keys

Shortcut Keys	Description
F7	Spell check selected text and or document
F11	Create chart
Ctrl + Shift + ;	Enter the current time
Ctrl + ;	Enter the current date
Alt + Shift + F1	Insert New Worksheet
Shift + F3	Open the Excel formula window
Shift + F5	Bring up search box
Ctrl + A	Select all contents of the worksheet
Ctrl + B	Bold highlighted selection
Ctrl + I	Italic highlighted selection
Ctrl + K	Insert link
Ctrl + U	Underline highlighted selection
Ctrl + 5	Strikethrough highlighted selection
Ctrl + P	Bring up the print dialog box to begin printing
Ctrl + Z	Undo last action
Ctrl + F9	Minimize current window
Ctrl + F10	Maximize currently selected window
Ctrl + F6	Switch between open workbooks / windows
Ctrl + Tab	Move to next worksheet
Ctrl + Shift + !	Format number in comma format
Ctrl + Shift + $	Format number in currency format
Ctrl + Shift + #	Format number in date format
Ctrl + Shift + %	Format number in percentage format
Ctrl + Shift + ^	Format number in scientific format
Ctrl + Shift + @	Format number in time format
Ctrl + Arrow key	Move to next section of text
Ctrl + Space	Select entire column
Shift + Space	Select entire row

Mouse Shortcuts

Mouse Shortcuts	Description
Double click	Selects word
Triple click	Selects paragraph
Ctrl + Mouse wheel	Zooms in and out of document

Internet Explorer Shortcut Keys

Shortcut Keys	Description
Alt + Left Arrow	Back a page
Alt + Right Arrow	Forward a page
F5	Refresh current page / frame
F11	Display the current website in full screen mode. Pressing F11 again will exit this mode
Esc	Stop page or download from loading
Ctrl + Enter	Quickly complete an address. As an example, type in: Google the address bar and press CTRL + ENTER. Http://www.Google.com will automatically be entered
Ctrl + N	Open New browser window
Ctrl + P	Print current page / frame

FrontPage Shortcut Keys

Shortcut Keys	Description
Ctrl + C	Copy selected text
Ctrl + X	Cut selected text
Ctrl + P	Paste selected text
Ctrl + K	Create a hyperlink
Ctrl + B	Bold highlighted selection
Ctrl + I	Italic highlighted selection
Ctrl + U	Underline highlighted selection
Ctrl + L	Left align the text
Ctrl + R	Right align the text
Ctrl + E	Center the text
Ctrl + /	Display HTML tags
Ctrl + S	Save document
Ctrl + Tab	Switch between open web pages
Ctrl + Insert	Enter Line break
Ctrl + Enter	Move cursor above or below a table
Ctrl + Shift + B	Preview in web browser window
Ctrl + Shift + <	Decrease font size
Ctrl + Shift + >	Increase font size

Visual Basic Shortcut Keys

Shortcut Keys	Description
F2	Brings up the 'Object Browser' window
F3/F4/F6/F11	Brings up the 'Properties Window' for the current form/control
F5	Executes the current project
Ctrl + F5	First checks for syntax errors and then executes the project
F7	Opens the code window for the current control
F8	Executes the project in 'Step mode'. Keep pressing F8 to execute the next statement; Press F5 to come out of step mode
F9	Inserts break point at the current line in the code window. Press F9 again to toggle the break point
Ctrl + G	Brings up the 'Immediate window', which is useful for debugging purposes
Ctrl + Spacebar	While writing code, this combination helps you see the available options/methods/properties based on what you are typing
Ctrl + J	Same as above...
Shift + F2	Place the cursor over any function call and press Shift + F2 to see the declaration of that function
Ctrl + F	Brings up the find dialog box
Ctrl + H	Brings up the replace dialog box
Shift + F3	Finds the previous occurrence of a string
Ctrl + Shift + F9	Clears all break points
Ctrl + Delete	Deletes to the end of the word
Crtl + Y	Deletes the current line of code
Ctrl + Z	Undoes the last change in the code window
Ctrl + Up/Down arrows	Helps you move between procedures/functions in the code window

Outlook Shortcut Keys

Shortcut Keys	Description
Alt + S	Sends the current mail
Ctrl + Enter	Sends the current mail
Ctrl + K	Resolves the email addresses from the address book
Alt + K	Resolves the email addresses from the address book
F7	Starts spell check
Ctrl + D	Deletes the current mail
Shift + Delete	Permanently deletes the current mail
Ctrl + Z	Undoes the last change
Ctrl + Y	Redoes the last change