How do I choose the OS to boot?
9466
How to get to the GRUB menu at boot-time?
132442
How to install Ubuntu as the single OS on a MacBook?
102801
How to create bootable ISO from an installed OS?
9235
grub: boot from ISO
14623
Dual boot system
61181
Editing the default boot item in grub menu, a definitive answer?
129372
What is the /boot partition really for?
86090
How do I modify the boot menu for Windows 7?
137801
How can I find the current OS in Python?
87571
How to set Windows bootloader as default bootloader?
939
How to reboot into Windows from Ubuntu?
76686
How to define from what partition to boot by default in OS X?
479
How can I boot with an older kernel version?
120861
Is it possible to dual boot two OS's at the same time?
33870
Windows & Ubuntu dual boot.No menu to choose OS?
12237
Attempted Installing Ubuntu on Windows 8.1 UEFI, Confused about booting in UEFI, Legacy Mode
29872
Booting a Windows 7 installation on different hardware