36605 - Environment Variable Trailing Spaces Not Truncated - http://support.microsoft.com/?kbid=36605
35938 - Equal-Sign Characters as Arguments in Batch Files - http://support.microsoft.com/?kbid=35938
35284 - Order of Precedence in Locating Executable Files - http://support.microsoft.com/?kbid=35284
34768 - Differences between COMMAND /C and CALL - http://support.microsoft.com/?kbid=34768
26281 - Redirection Disables REM in Batch Files - http://support.microsoft.com/?kbid=26281
121170 - How to Access Environment Variables in an MS-DOS Batch File - http://support.microsoft.com/?kbid=121170
119591 - How to Obtain Microsoft Support Files from Online Services - http://support.microsoft.com/?kbid=119591
117600 - MS-DOS 6.22 Supplemental Disk: Description & How to Obtain - http://support.microsoft.com/?kbid=117600
113418 - HOW TO: Determine Whether a Drive Is a RAM Drive - http://support.microsoft.com/?kbid=113418
106419 - Removing Non-DOS Partitions with Debug - http://support.microsoft.com/?kbid=106419
101884 - How to Detect a DoubleSpace Drive from a Batch File - http://support.microsoft.com/?kbid=101884
Search for a KB Article by ID Number - Microsoft Global Product Support Site, featuring access to a searchable Knowledgebase. - http://support.microsoft.com/default.aspx?scid=fh;EN-US;KBJUMP
Microsoft Knowledge Base - Collection of articles on MS-DOS - ftp://ftp.microsoft.com/MISC1/PEROPSYS/MSDOS/KB/