cd [options] [dir]
Change working directory to dir. Default is user’s home directory. If dir is a relative pathname but is not in the current directory, the cdpath variable is searched. See the sample .tcshrc file earlier in this chapter.
Change to previous directory.
Explicitly expand ~ notation; implies -p.
Wrap entries before end-of-line; implies -p.
Print directory stack.
Print entries one per line; implies -p.