See: http://en.wikipedia.org/wiki/Environment_variable In Windows, all in Default Values on Microsoft Windows table are valid strings. var environVar = ["ALLUSERSPROFILE", "PROGRAMDATA", "APPDATA", "COMPUTERNAME", "COMMONPROGRAMFILES", "COMMONPROGRAMFILES(x86)", "COMSPEC", "HOMEDRIVE", "HOMEPATH", "LOCALAPPDATA", "LOGONSERVER", "PATH", "PATHEXT", "PROGRAMFILES", "PROGRAMFILES(X86)", "PROMPT", "SystemDrive", "SystemRoot", "TEMP", "USERDOMAIN", "USERNAME", "USERPROFILE", "WINDIR", "PUBLIC", "PROGRAMDATA", "PSModulePath"],
i = 0, len = environVar.length;
for (; i< len; i++){
$.writeln(environVar + ': ' + $.getenv(environVar));
}
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