$PasswordFile
is a string giving the password file used when the kernel was started.
Examples
Basic Examples (1)
Wolfram Research (1996), $PasswordFile, Wolfram Language function, https://reference.wolfram.com/language/ref/$PasswordFile.html.
Text
Wolfram Research (1996), $PasswordFile, Wolfram Language function, https://reference.wolfram.com/language/ref/$PasswordFile.html.
CMS
Wolfram Language. 1996. "$PasswordFile." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/$PasswordFile.html.
APA
Wolfram Language. (1996). $PasswordFile. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/$PasswordFile.html