Print
(Built-in Mathematica Symbol) Print[expr] prints expr as output.
File system directory hierarchy. Can contain files and subdirectories.
Directory[] gives the current working directory.
Mathematica can automatically export both individual graphics and complete documents to print-ready formats.
$InitialDirectory gives the initial directory when the current Mathematica session was started.
$InstallationDirectory gives the top-level directory in which your Mathematica installation resides.
Print prints the active notebook.
$UserDocumentsDirectory gives your default "documents" directory.
$RootDirectory gives the root directory of your file system.