Guides ยท Technology
Dual Boot Setup Basics
Install a second OS alongside the first
This guide explains setting up a dual-boot system: back up data, shrink/create partitions, install the second OS, configure the bootloader, and test both systems.
- dual boot
- bootloader
- partitions
- backup
- os install
Back up first
Save important data before touching partitions or bootloaders.
Plan partitions
Shrink existing volume and create space for the new OS; note EFI partitions.
Install second OS
Boot install media, select the new partition, and avoid overwriting existing OS.
Configure bootloader
Use GRUB/boot manager to detect both OSes; test booting each.
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