BOOTCFG - Edit Windows boot settings - Windows CMD Commands

Syntax      BOOTCFG /addsw    Add OS load options for an OS entry in boot.ini
      BOOTCFG /copy     Duplicate the entries for an OS instance.
      BOOTCFG /dbg1394  Configure 1394 port debugging
      BOOTCFG /debug    Edit the debug settings for an OS.
      BOOTCFG /default  Specify the default OS
      BOOTCFG /delete   Delete an OS entry [operating systems] section of Boot.ini
      BOOTCFG /ems      Redirect the EMS console to a remote computer (server only).                         (Emergency Management Services) 
      BOOTCFG /list     List entries in boot.ini
      BOOTCFG /query    Display section entries from Boot.ini
      BOOTCFG /raw      Add OS load options, specified as a string 
      BOOTCFG /rebuild  Totally rebuild boot.ini (use when Windows won't start)
      BOOTCFG /rmsw     Remove OS load options for an OS
      BOOTCFG /timeout  Change the OS time-out value.Detailed options for all the above are available from BOOTCFG /? Items in bold are only available from the recovery console
Default identification strings:
OS Load Options = /FastdetectLoad Identifier = Microsoft Windows XP Professional
If you intend to rebuild the boot.ini file, delete it first - boot into the recovery console then:
 ATTRIB -H -R -S  C:\Boot.ini  DEL C:\Boot.ini Bootcfg /Rebuild Fixboot