Streams
Streams[]
gives a list of all streams that are currently open.
Streams["name"]
lists only streams with the specified name.
Examples
Wolfram Research (1991), Streams, Wolfram Language function, https://reference.wolfram.com/language/ref/Streams.html.
Text
Wolfram Research (1991), Streams, Wolfram Language function, https://reference.wolfram.com/language/ref/Streams.html.
CMS
Wolfram Language. 1991. "Streams." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Streams.html.
APA
Wolfram Language. (1991). Streams. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Streams.html