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Date:      Sun, 20 Sep 2020 17:11:34 +0200
From:      Polytropon <freebsd@edvax.de>
To:        Ralf Mardorf <ralf-mardorf@riseup.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Dual-booting/triple-booting FreeBSD under UEFI
Message-ID:  <20200920171134.8140e330.freebsd@edvax.de>
In-Reply-To: <20200920165453.78d03bdd@archlinux>
References:  <DB8PR06MB64421AFD5B11F7674E48CBAAF63C0@DB8PR06MB6442.eurprd06.prod.outlook.com> <20200919180814.00005391@seibercom.net> <20200920035310.72276666@archlinux> <20200920162833.433a14ce.freebsd@edvax.de> <20200920165453.78d03bdd@archlinux>

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On Sun, 20 Sep 2020 16:54:53 +0200, Ralf Mardorf wrote:
> On Sun, 20 Sep 2020 16:28:33 +0200, Polytropon wrote:
> >On Sun, 20 Sep 2020 03:53:10 +0200, Ralf Mardorf wrote:
> >> A business technology news website spreading inaccurate news isn't
> >> required to get informed about known vulnerabilities.  
> >
> >If they aren't even able to get (or interested in getting) the
> >terminology correct... if I remember correctly, what GRUB does
> >is called a "boot manager" (thing that usually interactively
> >selects from different operating systems to boot, or configures
> >the boot of one operating system, by setting boot parameters or
> >kernel options). GRUB does this even in Linux-only installations.
> >A boot loader can be a standard MBR, without any interactivity,
> >that loads an operating system. This is the typical situation
> >on systems running FreeBSD exclusively.
> >
> >Or is there a different definition or consensus of the words?
> 
> IMO it's correct to call grub a "boot loader", too.
> 
> "Boot loader
> 
> A boot loader is a piece of software started by the firmware (BIOS or
> UEFI). [snip] A separate boot loader or boot manager can still be used
> for the purpose of editing kernel parameters before booting." -
> https://wiki.archlinux.org/index.php/Arch_boot_process#Boot_loader

Okay, so a boot manager is a specific kind of boot loader
(subclass). Today I learned. :-)

+-------------+
| UEFI / BIOS |
+------+------+
       |
       |
       V
+-------------+
| boot loader | = [ standard boot block | interactive boot manager ]
+------+------+
       |
       |
       V
      ...


-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...



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