Print Graphic prints the selected (or clicked upon) graphic.
Print Image prints the selected (or clicked upon) image.
FileNames[] lists all files in the current working directory. FileNames[form] lists all files in the current working directory whose names match the string pattern form. ...
FilePrint["file"] prints out the raw textual contents of file.
PrintAction is an option for notebooks that specifies the action taken when a Print[] command is evaluated by the kernel.
"PrintDialog" is a front end token that opens the Print dialog to print the input notebook.
NotebookBrowseDirectory is a global option that determines the current working directory.
"PrintSelectionDialog" is a front end token that opens the Print dialog to print the selection.
$MessagePrePrint is a global variable whose value, if set, is applied to expressions before they are included in the text of messages.
$TemporaryDirectory gives the main system directory for temporary files on your computer system.