The document lists and describes common file system commands in MS-DOS including commands to list files (DIR), change directories (CD), copy files (COPY), rename files (REN), delete files (DEL), create directories (MD), remove directories (RD), show disk information (VOL), display file contents (TYPE), clear the screen (CLS), display and set the date and time (DATE, TIME), and control batch file execution (GOTO, IF, CALL). It also includes undocumented commands like TRUENAME.