NAME
cd - change directory
Synopsis
cd [DIRECTORY]
Description Changes the current
directory. If DIRECTORY is
supplied it will become the new directory. If DIRECTORY is a
relative path, the paths found in the CDPATH environment variable
array will be tried as prefixes for the specified path. If CDPATH
is not set, it is assumed to be '.'. If DIRECTORY is not specified,
$HOME will be the new directory.