Sprintnet X.25 network controlled by Sprint communications
Sun Sun Microsystems—a major producer of Unix workstations
TCP Transmission Control Protocol (RFC793): a standard for data connection between two computers on the Internet
TELENET An X.25 network, DNIC 3110
Telnet A method of connection between two computers on the Internet or other TCP/IP networks
Trojan A program installed by hackers to secretly gather information, such as passwords. Can also be a backdoor
Tymnet An X.25 network controlled by MCI, DNIC 3106
Unix Multi-user computer operating system developed by AT&T and
Berkeley CSRG
VAX Virtual Address Extension: series of mini/mainframe computer systems produced by DEC
VMS Virtual Memory System: computer operating system produced by DEC and used on its VAX machines