$MachineID

$MachineID

is a string that gives, if possible, a unique identification code for the computer on which the Wolfram System is being run.

Details

  • On many computers, $MachineID is the MathID string printed by the external program mathinfo.
  • $MachineID is used as part of the license activation process.

Examples

Basic Examples  (1)

Check the value of $MachineID:

Wolfram Research (1991), $MachineID, Wolfram Language function, https://reference.wolfram.com/language/ref/$MachineID.html.

Text

Wolfram Research (1991), $MachineID, Wolfram Language function, https://reference.wolfram.com/language/ref/$MachineID.html.

CMS

Wolfram Language. 1991. "$MachineID." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/$MachineID.html.

APA

Wolfram Language. (1991). $MachineID. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/$MachineID.html

BibTeX

@misc{reference.wolfram_2025_$machineid, author="Wolfram Research", title="{$MachineID}", year="1991", howpublished="\url{https://reference.wolfram.com/language/ref/$MachineID.html}", note=[Accessed: 24-June-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_$machineid, organization={Wolfram Research}, title={$MachineID}, year={1991}, url={https://reference.wolfram.com/language/ref/$MachineID.html}, note=[Accessed: 24-June-2025 ]}