2 different OS in 2 different boot modes
11144
Which commands to convert a Ubuntu BIOS install to EFI/UEFI without boot-repair on single boot hardware?
90002
How can I get grub2 to boot a different option only on the next boot?
112313
Dual booting Windows and Ubuntu
86576
Dual Boot Windows 10 and Linux Ubuntu on Separate SSD
94768
Dual boot windows 8 and Ubuntu with Windows 8 Boot manager
13154
How to change boot priority?
61181
Editing the default boot item in grub menu, a definitive answer?
77750
Booting from a USB drive that was originally a boot drive
46297
Grub does not show a Windows 8 option after dual boot
76204
Convert from EFI to BIOS boot mode
157857
How do I boot my PC from GRUB?
18755
Multi-partition multi OS bootable USB
134564
Is it possible to choose which OS will be loaded using a hardware switch?
140942
Install Ubuntu alongside Windows (legacy mode)
96227
Dualboot windows and Ubuntu but automatically boot in Ubuntu
77830
Is a /boot partition necessary anymore?
142364
Dual-boot partitioning