Returns the OS
getOs()A string ("osx","linux",or "windows")
Other utility:
askUser(),
concatEnsembleTimeseries(),
convertAD2BP(),
convertBP2AD(),
createChronMeasInputDf(),
gaussianize(),
generateEnsembleFromUncertainty(),
getLastVarString(),
heuristicUnits(),
loadRemote(),
pullInstance(),
simulateAutoCorrelatedUncertainty(),
stringifyVariables(),
surrogateDataFun()