System functions The following system kernel functions are available: ApplyLayout ApplySetting AsMultiLine assert assign AsSingleLine bases beep break buffers BufferText categories class ClassData ClearHistory ClosePanel cls ColorDialog continue CopyToClipboard CreateDirectory CreateFunction DebugLog DebugObject delete DeleteDirectory DeleteFile description DigitGrouping digits DirectoryExists DirectoryList display do error ErrorInfo exit export exprl fail FcnExpr FcnName FcnNames FileExists FileExt FileList FileName FileOpenDialog FilePath FileSaveDialog FileSize FontDialog for FormatStyle FractionParts function functions graph HasComplexType history HistoryLength if image input InputBox InputForm inputs IsBinaryData IsBoolean IsCharacter IsColor IsComplex IsComplexType IsInteger IsList IsMatrix IsNumber IsNumericArray IsNumericEntity IsObjectContainer IsOrderedContainer IsPixmap IsPlanarContainer IsReal IsRealType IsSet IsSound IsStructure IsTable IsText IsValueContainer IsVector IteratedImage IteratedImages LastError LoadDefVars LoadFromFile MaxLen MemoryUsage MessageBox metadata MinLength NumberBase NumberFormat NumDigits object operators orbit output panels parse paste PrettyExp PrettyFileName print property protect RemoveBuffer repeat Roman SaveHistory SaveToFile SelfTest SetDigitGrouping SetFormatStyle SetMaxLen SetMinLength SetNumberBase SetNumberFormat SetNumDigits SetPrettyExp setting settings sleep speak StructKeys succeeded system TickCount tokenize try type unprotect until variable variables wait while window