Filesystem Operations

AbsoluteFileName — get absolute file path
CopyDirectory — copy a directory into a new path
CopyFile — copy a file into a new path
CreateFile — create a file
CreateTemporary — create a temporary file
DeleteFile — delete a file
Directory — current working directory
DirectoryStack — list the sequence of current directories in use
ExpandFileName — absolute path
File — element of the local filesystem
FileBaseName — base name of the file
FileByteCount — length of the file
FileExistsQ — test whether a file exists
FileExtension — file extension
FileInformation — information about a file
FileNameTake — take a part of the filename
FileNames — list file names in the current directory
FindFile — search the path of of a file in the current directory and its subdirectories
Needs — load a package if it is not already loaded
$OperatingSystem — type of operating system
$PathnameSeparator — system character path separator
RenameFile — change the name of a file
ResetDirectory — return to the directory before the last SetDirectory call
SetDirectory — set the working directory
ToFileName — build a path from a list of directory names and a filename
URLSave — save the content of an URL