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The Linux Command Line by William E. Shotts Jr.

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Transporting Files over a Network

What good is a network unless we know how to move files across it? There are many programs that move data over networks. We will cover two of them now and several more in later sections.

ftp—Transfer Files with the File Transfer Protocol

One of the true “classic” programs, ftp gets its name from the protocol it uses, the File Transfer Protocol. FTP is used widely on the Internet for file downloads. Most, if not all, web browsers support it, and you often see URIs starting with the protocol ftp://.

Before there were web browsers, there was the ftp program. ftp is used to communicate with FTP servers, machines that contain files that can be uploaded and downloaded over a network.

FTP (in its original form) is not secure, ...

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