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Tuesday, October 13, 2009

Overview Of File Transfer Protocol

File Transfer Protocol (FTP) is a standard network protocol used to exchange and manipulate files over a TCP/IP based network, such as the Internet. FTP is built on a client-server architecture and utilizes separate control and data connections between the client and server applications.

The objectives of FTP are :
* To promote sharing of files (computer programs and/or data).
* To encourage indirect or implicit use of remote computers.
* To shield a user from variations in file storage systems among different hosts.
* To transfer data reliably, and efficiently.

What FTP does ?
It works by establishing a connection between one computer (for example, your PC) and another (for example, your Web server). To do this, you need to know the host name (e.g."") or IP address (e.g. "") of your Web server. Your FTP program will allow you to enter lots of different servers if you want (by host name or IP address), and usually you can double-click on one of them to connect to it.
- Logging in
Once connected, the Web server usually asks you for your user name and password.
- Transferring files
You're then logged in to your Web server. Once you're logged in, you can start moving files about. On most FTP programs, this works a lot like Windows Explorer or other similar file managers.
- The home directory
When you first log in, you will be viewing your home directory on your Web server. This will be the directory that contains your website, amongst other files.
- Going dotty
Some FTP programs will show two extra entries in the folder display - a single dot and a pair of dots. The single dot means "this directory" and usually does nothing, but the pair of dots mean "the directory above".

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