dual boot - Issue on booting from rEFInd using USB -- make sure you have the latest firmware update installed - Ask Ubuntu
linux - rEFInd not working on macOs Sierra: "Not found while loading legacy loader" - Super User
Howto: Make multiboot installation USB stick – Mountain Lion, Fedora 17, Windows 8, rEFInd, … | Manoranjan's Tech blog
How to install rEFInd? – Discovery
How to Create a Bootable Kali USB Drive on Mac OS Sierra - supercalifunnelistic
HOW-TO create a DUET w/REFIND boot manager usb drive - YouTube
rEFInd download | SourceForge.net
Add rEFInd to agFM/Ventoy and UEFI-boot from any disk/partition - Easy2Boot
Howto: Install rEFInd on Mac machine or USB Stick/Hard Drive | Manoranjan's Tech blog
Creating by hand EFI multiboot live USB key | Tremplin des Sciences
How to Install rEFInd 0.10.4 on Mac OS Sierra - supercalifunnelistic
How To Install rEFInd Using Gparted, Arch Linux and Super Grub2 Disk - Sick Codes - Security Research, Hardware & Software Hacking, Consulting, Linux, IoT, Cloud, Embedded, Arch, Tweaks & Tips!
The rEFInd Boot Manager: Using rEFInd
Howto: Install rEFInd on Mac machine or USB Stick/Hard Drive | Manoranjan's Tech blog