Talk (software)

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talk

Command-line Unix "talk", using a split screen user interface, was popular in the 1980s and early 1990s.
Operating system	Unix, Unix-like, V
Platform	Cross-platform

talk is a Unix text chat program, originally allowing messaging only between the users logged on to one multi-user computer—but later extended to allow chat to users on other systems.

Although largely superseded by IRC and other modern systems, it is still included with most Unix-like systems today, including Linux,^[1] BSD systems^[2] and macOS.^[3]