gives the ID assigned to the Wolfram Language kernel process by the operating system under which it is run.


$ProcessID
gives the ID assigned to the Wolfram Language kernel process by the operating system under which it is run.
Examples
Basic Examples (1)
Tech Notes
History
Introduced in 1996 (3.0)
Text
Wolfram Research (1996), $ProcessID, Wolfram Language function, https://reference.wolfram.com/language/ref/$ProcessID.html.
CMS
Wolfram Language. 1996. "$ProcessID." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/$ProcessID.html.
APA
Wolfram Language. (1996). $ProcessID. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/$ProcessID.html
BibTeX
@misc{reference.wolfram_2025_$processid, author="Wolfram Research", title="{$ProcessID}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/$ProcessID.html}", note=[Accessed: 08-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_$processid, organization={Wolfram Research}, title={$ProcessID}, year={1996}, url={https://reference.wolfram.com/language/ref/$ProcessID.html}, note=[Accessed: 08-August-2025]}