FileExtension["file"] gives the file extension for a file name.
FileNameSplit["filename"] splits a file name into a list of parts.
Path
(Combinatorica Package Symbol) Path[n] constructs a tree consisting only of a path on n vertices.
Star
(Combinatorica Package Symbol) Star[n] constructs a star on n vertices, which is a tree with one vertex of degree n - 1.
CoordinateRanges[] gives the intervals over which each of the coordinates in the default coordinate system may range. CoordinateRanges[coordsys] gives the ranges for each of ...
"FixCellWidth" is a front end token that assigns a CellSize option to selected cells to fix their width at their current width.
Install
(Mathematica Front End Token) "Install" is a front end token that opens the Install dialog box to install a palette, .mx file, MathLink program, package, or stylesheet.
"MoveNextCell" is a front end token that moves the insertion point down by one cell.
AutoOpenPalettes is a global option that specifies the palettes that are automatically opened when Mathematica is started.
ExtractArchive[file] expands an archive file, saving its content into the current directory.ExtractArchive[file, dir] saves the content of an archive file into directory ...