FileNameJoin (Built-in Mathematica Symbol)

FileNameJoin[{"name_1", "name_2", ...}] joins the name_i together into a file name suitable for your current operating system.

FileNameSplit (Built-in Mathematica Symbol)

FileNameSplit["filename"] splits a file name into a list of parts.

FileNameTake (Built-in Mathematica Symbol)

FileNameTake["name"] gives the last path element in the file name " name".FileNameTake["name", n] gives the first n path elements in the file name " ...

FindPermutation (Built-in Mathematica Symbol)

FindPermutation[expr] gives a permutation that produces expr by permuting Sort[expr].FindPermutation[expr 1, expr 2] gives a permutation that converts expr_1 to expr_2 for ...

FontSize (Built-in Mathematica Symbol)

FontSize is an option for Style and Cell that specifies the default size in printer's points of the font in which to render text.

FractionBox (Built-in Mathematica Symbol)

FractionBox[x, y] is a low-level formatting construct that represents x/y in notebook expressions.

GridLinesStyle (Built-in Mathematica Symbol)

GridLinesStyle is an option for 2D graphics functions that specifies how grid lines should be rendered.

GroupActionBase (Built-in Mathematica Symbol)

GroupActionBase is an option to specify a base for a group.

GroupElementQ (Built-in Mathematica Symbol)

GroupElementQ[group, g] returns True if the object g is an element of group and False otherwise.

HoldFirst (Built-in Mathematica Symbol)

HoldFirst is an attribute which specifies that the first argument to a function is to be maintained in an unevaluated form.