What does the word "download" means?

Literally means to transfer data or files usually from a large computer to the memory of another device (as a smaller computer), but in general this term means the transfer of data from a remote computer to a local one using a communication device (eg. Modem) or between computers on the same network. To download is also viewing on your computer of a website.

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In Internet are used different communications programs, Client FTP commands or program provided by client services online.