Bill Cunningham composed on 2023-09-21 20:23 (UTC-0400):

> Felix Miata wrote:
...
>> Since UEFI, most USB sticks for installation and/or rescue are configured to 
>> boot
>> in either legacy or EFI mode. When the UEFI BIOS has CSM (legacy) booting 
>> enabled,
>> such USB sticks will show two entries per USB stick, one for each mode, 
>> which is
>> why you see above both 0005 and 0006 entries.

>> Also with UEFI, it's preferred to have the HDD/SSD's preferred OS as top 
>> priority,
>> and to use the BBS hotkey whenever an alternative boot device is desired 
>> instead.

> Does that mean you use a F key to boot from a USB stick? My UEFI is 
> always putting the OS before the USB stick. I have to change it to boot 
> from a USB stick. How do you use this "BBS Hotkey?

Exactly the same as you use a BIOS setup key (typically DEL or F2) specific to 
the
various brands and their BIOS:

BBS Boot Keys

[*]ASRock       F11
[*]Asus         F8
[*]Biostar      F9
[*]Dell         F12
[*]eCS          F12 or F10
[*]eMachines    F10
[*]EVGA         F7
[*]Gigabyte     F12
[*]HP           F9 or ESC or ESC,F9
[*]Intel        F10
[*]Lenovo       F12 or F8 or F10
[*]MSI          F11
[*]Toshiba      F12

What does BBS mean in BIOS?
Short for BIOS boot specification, BBS is a BIOS (basic input/output system)
feature that creates, maintains, and prioritizes all the IPL (initial program
load) devices. While the computer is booting, each IPL device is checked to see 
if
it's bootable.
<https://www.computerhope.com/jargon/b/bbs.htm>
-- 
Evolution as taught in public schools is, like religion,
        based on faith, not based on science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata
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