Uploading is the transmission of a file from one computer
system to another, usually larger computer system. From a network user's
point-of-view, to upload a file is to send it to another computer that is
set up to receive it. People who share images with others on bulletin board
services (BBS) upload files to the BBS.
Transmission in the other direction is downloading -- from one, usually
larger computer to another, usually smaller computer. From an Internet user's
point-of-view, downloading is receiving a file from another computer.
The File Transfer Protocol (FTP) is the Internet facility for downloading
and uploading files. (If you are uploading a file to another site, you
must usually have permission in advance to access the site and the directory
where the file is to be placed.)
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