NB: More recent documentation for Dyalog APL is available at https://docs.dyalog.com/20.0/.

Root Methods

ChooseFont	Flush	NameFromHandle
GreetBitmap	GetCommandLine	GetCommandLineArgs
GetEnvironment	ListTypeLibs	DeleteTypeLib
SetServiceState	GetServiceState	GetTextSize
GetFocus	ShowSIP	GetFocusObj
IDNToDate	DateToIDN	TCPGetHostID
GetBuildID	Wait