Any comments or suggestions would be most welcome.
I have a dual boot Debian/Windows system. The boot entries shown under Windows (using bcdedit.exe) and linux seem different to me although I am not familiar with the terminology.
Some possibly useful background is:
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pat@debian:~$ uname -a
Linux debian 4.19.0-14-amd64 #1 SMP Debian 4.19.171-2 (2021-01-30) x86_64 GNU/Linux
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root@debian:~# efibootmgr -v
BootCurrent: 0000
Timeout: 0 seconds
BootOrder: 0000,0005,0003,2001,2002,2003
Boot0000* rEFInd HD(1,GPT,8e739eec-2315-4698-a0b1-24924d22d43e,0x800,0x82000)/File(\EFI\refind\refind_x64.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}....................
Boot0003* Windows Boot Manager HD(1,GPT,8e739eec-2315-4698-a0b1-24924d22d43e,0x800,0x82000)/File(\EFI\Microsoft\Boot\bootmgfw.efi)RC
Boot0005* rEFInd Boot Manager PciRoot(0x0)/Pci(0x1c,0x0)/Ctrl(0x0)/Unit(0)/HD(1,GPT,8e739eec-2315-4698-a0b1-24924d22d43e,0x800,0x82000)/File(\EFI\refind\refind_x64.efi)..
Boot000B* Windows Boot Manager HD(1,GPT,8e739eec-2315-4698-a0b1-24924d22d43e,0x800,0x82000)/File(\EFI\Microsoft\Boot\bootmgfw.efi)RC
Boot2001* EFI USB Device RC
Boot2002* EFI DVD/CDROM RC
Boot2003* EFI Network RC
Booting into Windows with the 'System partition' mounted:
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S:\EFI>bcdedit /v
Windows Boot Manager
--------------------
identifier {9dea862c-5cdd-4e70-acc1-f32b344d4795}
device partition=S:
path \EFI\refind\refind_x64.efi
description rEFInd
locale en-US
inherit {7ea2e1ac-2e61-4728-aaa3-896d9d0a9f0e}
flightsigning Yes
default {9dea862c-5cdd-4e70-acc1-f32b344d4795}
resumeobject {0de24c27-ba92-11e7-af1b-1c834123550b}
displayorder {0de24c28-ba92-11e7-af1b-1c834123550b}
toolsdisplayorder {b2721d73-1db4-4c62-bf78-c548a880142d}
timeout 5
Windows Boot Loader
-------------------
identifier {0de24c28-ba92-11e7-af1b-1c834123550b}
device partition=C:
path \Windows\system32\winload.efi
description Windows 10
locale en-US
inherit {6efb52bf-1766-41db-a6b3-0ee5eff72bd7}
recoverysequence {9869f5b6-ba8e-11e7-956d-1c834123550b}
displaymessageoverride Recovery
recoveryenabled Yes
isolatedcontext Yes
flightsigning Yes
allowedinmemorysettings 0x15000075
osdevice partition=C:
systemroot \Windows
resumeobject {0de24c27-ba92-11e7-af1b-1c834123550b}
nx OptIn
bootmenupolicy Standard