UEFI - Install Guide - Manjaro
https://wiki.manjaro.org/index.php?title=UEFI_-_Install_GuideTo use the Graphical Installer select the Install Manjaro option from the Manjaro Welcome screen or from the desktop.. For the ESP (EFI system partition) which will store the EFI Grub binary, a 512mb partition of type fat32 can be created in the partitioning step, and mounted to /boot/efi. If you are dual booting then an EFI partition from a previous install can also be used.
fstab - ArchWiki - Arch Linux
https://wiki.archlinux.org/title/Fstabfstab. The fstab (5) file can be used to define how disk partitions, various other block devices, or remote file systems should be mounted into the file system. Each file system is described in a separate line. These definitions will be converted into systemd mount units dynamically at boot, and when the configuration of the system manager is ...