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Network Operating Systems-I




                    notes          to logon to an FTP server. However, publicly available files are easily accessed using anonymous
                                   FTP. The most common use for FTP is to download files from the Internet.
                                   Basic FTP support is usually provided as part of a suite of programs that come with TCP/IP.
                                   However, any FTP client program with a graphical user interface usually must be downloaded
                                   from the company that makes it.
                                   FTP  (File  Transfer  Protocol)  is  the  simplest  and  most  secure  way  to  exchange  files  over  the
                                   Internet. Whether you know it or not, you most likely use FTP all the time.

                                   The most common use for FTP is to download files from the Internet. Because of this, FTP is
                                   the backbone of the MP3 music craze, and vital to most online auction and game enthusiasts. In
                                   addition, the ability to transfer files back-and-forth makes FTP essential for anyone creating a
                                   Web page, amateurs and professionals alike.
                                   When downloading a file from the Internet you’re actually transferring the file to your computer
                                   from another computer over the Internet. This is why the T (transfer) is in FTP. You may not
                                   know where the computer is that the file is coming from but you most likely know it’s URL or
                                   Internet address.
                                   An FTP address looks a lot like an HTTP, or Website, address except it uses the prefix ftp://
                                   instead of http://.
                                   Most often, a computer with an FTP address is dedicated to receive an FTP connection. Just as a
                                   computer that is setup to host Web pages is referred to as a Web server or Website, a computer
                                   dedicated to receiving an FTP connection is referred to as an FTP server or FTP site.

                                                            figure 13.1: file transfer protocol






















                                     Did u know?  What is the most common use for FTP?

                                   vsftpd – ftp server installation

                                   vsftpd is an FTP daemon accessible in Ubuntu. It is easy to install, set up, and maintain. To install
                                   vsftpd you can run the following command:

                                   sudo apt-get install vsftpd












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