This document provides descriptions and syntax examples for various MS-DOS commands. It explains that the CD command is used to display or change the current directory. It also covers commands for clearing the screen (CLS), displaying or changing the date (DATE), deleting files (DEL, ERASE), displaying messages (ECHO), exiting (EXIT), getting help (HELP), renaming drives or files (LABEL, REN), deleting directories (RD), sorting files (SORT), starting programs (START), displaying or changing the time (TIME), changing window titles (TITLE), displaying directory trees (TREE), viewing file contents (TYPE), checking versions (VER), and identifying users (WHOAMI).