What is boot.ini?How to find it in new windows? NTLDR?

Boot.ini lists all the Operating Systems present in the computer and provide information about which partitions they are located on.

NTLDR's first action is to read the Boot.ini file. NTLDR allows the user to choose which operating system to boot from at the menu.

NTLDR means New Technology Loader  NTLDR is typically run from the primary hard disk drive, but it can also run from portable storage devices such as a CD-ROM, USB flash drive, or floppy disk.

Run cmd as administrator and type bcdedit  

  Windows Boot Manager

    --------------------

    identifier {bootmgr}

    device partition=\Device\HarddiskVolume1

    description Windows Boot Manager

    locale en-US

    inherit {globalsettings}

    default {current}

    resumeobject {07cf7f57-e206-11dd-a0c8-bab28362099d}

    displayorder {ntldr}

    {current}

    toolsdisplayorder {memdiag}

    timeout 30

    Windows Legacy OS Loader

    ------------------------

    identifier {ntldr}

    device partition=\Device\HarddiskVolume1

    path \ntldr

    description Earlier Version of Windows

    Windows Boot Loader

    -------------------

    identifier {current}

    device partition=C:

    path \Windows\system32\winload.exe

    description Windows 7

    locale en-US

    inherit {bootloadersettings}

    recoverysequence {07cf7f59-e206-11dd-a0c8-bab28362099d}

    recoveryenabled Yes

    osdevice partition=C:

    systemroot \Windows

    resumeobject {07cf7f57-e206-11dd-a0c8-bab28362099d}

    nx OptIn

I want to change the "Windows 7" description to "Windows 7 Ultimate X64 beta" so I type..

1

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bcdedit /set {current} description "Windows 7 Ultimate X64 beta"