Displays or changes working directory, or lists files therein.
Usage
cd(dname)
pwd()
what(dname = getwd())
Arguments
dname
(relative or absolute) directory path.
Value
Name of the current working directory.
Details
pwd() displays the name of the current directory, and is the same
as cd(). cd(dname) changes to directory dname and if
successfull displays the directory name.