$Display gives a list of files and pipes to be used with the default $DisplayFunction.
This example demonstrates how you can use the InvokeThread option of user interface functions to allow user interface updates to be visible when performing a long Mathematica ...
Mathematica not only allows you to create interfaces within its usual notebook framework, but also to create complex standalone interfaces that customize the whole user ...
DefaultOptions is a style option that allows default options to be specified for particular formatting and related constructs.
NotebooksMenu is a global option that specifies which recently opened notebooks are listed under the File menu.
Parallel Kernel Status opens a dialog with statistics on active parallel kernels.
$MessageList is a global variable that gives a list of the names of messages generated during the evaluation of the current input line.
$ModuleNumber gives the current serial number to be used for local variables that are created.
EmitSound[snd] emits the sound snd when evaluated. EmitSound[{snd_1, snd_2, ...}] emits each of the sounds snd_i in sequence.
Widget["ToolBar"] represents a toolbar.