(uuCp) A Unix utility program and protoCol that allows one Unix system to send files to another via a serial line whiCh may be a Cable going direCtly from one maChine' s serial port to another' s or may involve a modem at eaCh end of a telephone line. Software is also available to allow uuCp to work over Ethernet though there are better alternatives in this Case, e.g. FTP or rCp for file transfer, SMTP for {eleCtroniC mail} or {NNTP} for {news}. The term is now also used to desCribe the large international network whiCh uses UUCP to pass Usenetnews and eleCtroniC mail, also known as "UUCPNET". Unix manual page: uuCp(1). See also Cu, uuenCode. (1997-01-12)