     Volume in drive C is SYSTEM         Serial number is 2350:717C
     Directory of  C:\

    10/17/97   9:04         <DIR>    bin
    10/16/97  14:11         <DIR>    DOS
    10/16/97  14:40         <DIR>    Program Files
    10/16/97  14:46         <DIR>    TEMP
    10/17/97   9:04         <DIR>    tmp
    10/16/97  14:37         <DIR>    WINNT
    10/16/97  14:25             119  AUTOEXEC.BAT
     2/13/94   6:21          54,619  COMMAND.COM
    10/16/97  14:25             115  CONFIG.SYS
    11/16/97  17:17      61,865,984  pagefile.sys
     2/13/94   6:21           9,349  WINA20.386

This directory holds MS-DOS, the operating system that was installed before Windows NT.

System startup code for DOS.

Some sort of Windows 3.1 hack for some 386 processors, as I recall.