File Manipulation 

The C:, COPY and DEL commands are used the most.

   DOS COMMAND    WHAT IT DOES

    ATTRIB        make a file read-only.
    C:            tells DOS the default place to look for files 
                  is disk drive C:
    COMP          compare the contents of two (or more) files.
    COPY          copy one file to another file or to the printer.
    DEBUG	  create, edit, and display any file.
    DEL           delete any file other than a directory.
    EDLIN	  create, edit, and display a text file.
    ERASE         same as DEL.
    FC            compare the contents of two files.
    FIND          search files looking for a specific value.
    MOVE          move file(s) to another disk or directory.
    REN           change the name of a file without changing
                  its contents.
    RENAME        same as REN.
    SORT          rearrange text in a file into some order.
    XCOPY*        copy groups of files.
    