Mathematica's symbolic architecture immediately defines a serializable representation for any Mathematica data or program—which can then readily be stored in a file.

While most built-in Mathematica functions follow the standard evaluation procedure, some important ones do not. For example, most of the Mathematica functions associated with ...

You can use files on your computer system to store definitions and results from Mathematica. The most general approach is to store everything as plain text that is ...

ButtonBar[{lbl_1 :> act_1, lbl_2 :> act_2, ...}] represents a bar of buttons with labels lbl_i that perform actions act_i when pressed.

CreateIntermediateDirectories is an option for CreateDirectory and related functions that specifies whether to create intermediate directories in a directory path specified.

Overview Supported Development Platforms Installing the MathLink Components

mathematica starts the full Mathematica system including notebook interface on Unix and Linux.

FileType["file"] gives the type of a file, typically File, Directory, or None.

Mathematica is available for Windows, Linux, and Mac OS X. For a complete list of platform availability, visit www.wolfram.com/mathematica/features/system-requirements.html. ...

This document describes how to compile and run MathLink programs written in the C language on Mac OS X systems. ("MathLink and External Program Communication" describes how ...