Needs (Built-in Mathematica Symbol)

Needs["context`"] loads an appropriate file if the specified context is not already in $Packages. Needs["context`", " file"] loads file if the specified context is not ...

NotebookFileName (Built-in Mathematica Symbol)

NotebookFileName[] gives the file name of the current evaluation notebook. NotebookFileName[nb] gives the file name for the notebook specified by nb.

PrecedenceForm (Built-in Mathematica Symbol)

PrecedenceForm[expr, prec] prints with expr parenthesized as it would be if it contained an operator with precedence prec.

Riffle (Built-in Mathematica Symbol)

Riffle[{e_1, e_2, ...}, x] gives {e_1, x, e_2, x, ...}. Riffle[{e_1, e_2, ...}, {x_1, x_2, ...}] gives {e_1, x_1, e_2, x_2, ...}. Riffle[list, x, n] yields a list in which ...

Selectable (Built-in Mathematica Symbol)

Selectable is an option for displayed objects, cells, and notebooks that specifies whether their contents can be selected interactively using the front end.

TableAlignments (Built-in Mathematica Symbol)

TableAlignments is an option for TableForm and MatrixForm which specifies how entries in each dimension should be aligned.

Uncompress (Built-in Mathematica Symbol)

Uncompress["string"] recovers an expression from a compressed string representation generated by Compress.Uncompress["string", h] wraps the head h around the expression ...

$ScriptCommandLine (Built-in Mathematica Symbol)

$ScriptCommandLine is a list of strings giving the elements of the command line with which the standalone Mathematica script was invoked.

$SystemID (Built-in Mathematica Symbol)

$SystemID is a short string that identifies the type of computer system on which Mathematica is being run.

MathLink Developer Guide - Mac OS X (Mathematica Overview)

Supported Development Platforms Installing the MathLink Components Building MathLink Programs