Section E.


                           INTRODUCTION TO UNIX

                          Navigating the System


       There are two useful commands that help you move around the
       directory structure of your system:

       1) cd (change directory) allows you to move from one directory to
             another

       2) pwd (present working directory) will display the pathname of
              your current location in the filesystem.

       Examples:

       % cd /tmp     Changes the current working directory to /tmp.

       % cd          Without an argument or switch, cd puts you in your
                     home directory.



                   File/Directory Manipulation Commands

       % ls    Displays the names of files and other directories in your
               current working directory.  As with many Unix commands,
               ls can take several different options or switches (see man
               pages).

       % mkdir directory_name    This will create a directory in the
                                 current working directory called
                                 directory_name.

       % rmdir directory_name    The directory directory_name will be
                                 removed.

       % rm file_name       This command will delete the file file_name.

       % cp file1 file2     The file file1 will be copied to a file
                            called file2.

       % mv old_name new_name    The file old_name will be renamed
                                 new_name.

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