UTILITIES:

BCDboot.exe
-----------
@ %windir%\System32
@ %ProgramFiles%\Windows AIK\Tools\x86\

Fix/make hdd/cd/usb bootable ...
BCDboot <source-windir-path> /s <target-system-drive> [/f ALL {if Win8 - for BIOS and UEFI}]

	E.g., BCDboot c:\windows /s e:	

Builds the Boot Configuration Data (BCD) store from source %windir% config [\System32\Config\BCD-Template]; writes it to target drive <root>\Boot.

Win7:	http://technet.microsoft.com/en-us/library/dd744347%28v=WS.10%29.aspx
Win8:	http://technet.microsoft.com/en-us/library/hh824874.aspx


BCDedit.exe
-----------
@ %windir%\System32

BCDedit 		- shows the BCD store data [the boot options]
BCDedit /enum 	- <same as no option>
BCDedit /v 		- shows actual [GUID] values for all fields

BCDedit /export <path-fname> 	-  copy BCD
BCDedit /import <path-fname> 	- restore from prior "/export" 

BCDedit /SET - to make changes to BCD. E.g., ...
BCDedit /SET {current} path \BackupWindows\system32\winload.exe

BCDedit /store "<path-of-BCD>" /<option>	- sets BCD to be used
(can't use wit createstore, import, export )


http://technet.microsoft.com/library/cc709667.aspx
http://technet.microsoft.com/en-us/library/cc731662.aspx

FAQ:	http://technet.microsoft.com/en-us/library/cc721886%28v=WS.10%29.aspx

BootRec.exe
-----------
@ boot.wim of WinPE/RE.iso
@ <root>\sources\boot.wim\Windows\System32\BootRec.exe

Troubleshoot a "Bootmgr Is Missing" error @ Window RE ...
WinRE OS > System Recover Options > Command Prompt > BootRec.exe

BootRec /FixMbr			- fix boot record (MBR) corruption issues
BootRec /FixBoot		- fix damaged boot sector
BootRec /ScanOs			- scans all disks; shows options not in boot menu 
BootRec /RebuildBcd		- scans all disks; shows options to rebuild

http://support.microsoft.com/kb/927392

Recovery: WinRE; accessed by (1) Install disk; "Repair" (2)  F8 option on boot; "Repair Your Computer" (3) Create a system repair disk, and use that. 


bootsect.exe
------------
(legacy tool for XP)
Bootsect.exe updates the master boot code for hard disk partitions to switch between /nt60 {BOOTMGR (Vista)} and /nt52 {NTLDR (XP)}. You can use this tool to restore the boot sector on your computer. This tool replaces FixFAT and FixNTFS.
Bootsect Command-Line Options

Bootsect uses the following conventions:

bootsect.exe {/help | /nt52 | /nt60} {SYS | ALL | DriveLetter:} [/force] /mbr

e.g., 

bootsect.exe /nt60 c: 

http://msdn.microsoft.com/en-us/library/ff794683%28v=winembedded.60%29.aspx