Hai any one having idea that what will the use of :// in the http://www.abc.com.
Where http stands for hypertext transfer protocol.
www.abc.com refers the address. What will be the use of ://


Looking fwd for your answeres.
Thanks
élan.J

what will be the use of ://

The notation separates the resource type, HTTP in your example, from the path to the resource, www.abc.com in your example, in Uniform Resource Locator (http://en.wikipedia.org/wiki/Uniform_Resource_Locator) syntax. The example you used has an implied /filename at the end of it like so: http://www.abc.com/filename. The default filename used by HTTP servers depends on the specific server software used as well as the configuration of the server.

Also, External websites have forward slashes -> //
And internal websites and shared folders have 2 back slashes \\

...

http:// usually specifies a default port which in this case ia 80.

So http://www.abc.com is also the same as www.abc.com:80.