On Tue, 23 Jan 2018 12:04:00 +0000, Ain't Nobody's Alt <[log in to unmask]> wrote:

>I had a Win10 and a second partition with a few backups.  That partition
>was the "Active" partition according to diskmgmt.msc, which I assume
>means it had my bootloader.  I went ahead and moved my backups from that
>partition to my Win10 before I installed SL, not considering the
>consequences of the location of my bootloader.  I could totally use the
>Win10 recovery disc to reinstall the MS bootloader and then reinstall SL
>since I just installed it anyway, but I'd rather try and set up GRUB
>myself, for the experience.  That said, I have no idea how to start.  I
>installed the yum package, but what now?  Can anyone link me to an
>article or something to read that will give me an idea of how to begin?

Try "info grub" (without the quotes) from the command line.  You should get a menu with "Installation" as the third item and "Booting" as the fourth.
Hope that helps.