Universal City Studios, Inc., the Supreme Court of the United States finds that making individual copies of complete television shows for purposes of time-shifting is fair use.

1981 – Kermit (protocol) – a binary protocol that can be used with telnet or other BBS systems to transfer binary data.

Computer memory and speed was very limited, with 33 MHz CPUs only being accessible to consumers at the end of the decade. Many file systems in use only supported short filenames. Most file sharing in this era was done by modem over landline telephone, at speeds from 300 to 9600 bits per second. As of 2021 alt.binaries.* newsgroups continue to serve files. Its primary purpose is to facilitate focused discussion threads within topical categories ( Usenet newsgroups), but it also allows the transfer of files.

1979 – Usenet conceived by Tom Truscott and Jim Ellis at the University of North Carolina at Chapel Hill and Duke University.

BBS access is limited to phone lines until the early 1990s.

February 1978 – Ward Christensen's CBBS becomes the first Bulletin board system.

1976 – Xmodem a point-to-point binary transfer protocol by Ward Christensen.

Comparison of Internet Relay Chat clients.

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