pseudoterminal
Sign in to saveAlso known as pseudotty, PTY
thumb|Pseudoterminals as they are used by the script (Unix)|script Unix command that records user's input for replaying it later
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thumb|Pseudoterminals as they are used by the script (Unix)|script Unix command that records user's input for replaying it later
In some operating systems, including Unix-like systems, a pseudoterminal, pseudotty, or PTY is a pair of pseudo-device endpoints (files) which establish an asynchronous, bidirectional communication (IPC) channel (with two ports) between two or more processes.
Excerpted from Wikipedia’s “pseudoterminal” article, available under the CC BY-SA 4.0 licence.