What it is
Ventoy is a utility for creating a multiboot USB drive. The usual bootable-media flow often means selecting an ISO, writing it to the drive, wiping the previous contents, and repeating the process for the next system. Ventoy changes that: install the boot layer once, then copy ISO files onto the drive.
The ventoy/Ventoy repository has been on GitHub since 2020. The project is written mostly in C and uses the GPL-3.0 license. Its topics include UEFI, Legacy, Secure Boot, persistence, unattended, Windows, Linux, BSD, ChromeOS, and ISO files, which shows its practical multiboot focus.
How it works for users
After preparing the USB drive, the user copies operating-system images onto it. At boot time Ventoy shows a menu where the desired ISO can be selected. That is useful for system administrators, repair technicians, Linux users, Windows recovery work, and rescue tool collections.
The flow without risky disk commands
This fragment shows the action sequence at a conceptual level. Disk-writing commands are intentionally omitted; they should be taken from the official instructions and used only after carefully selecting the target device.
1. Install Ventoy onto the selected USB drive
2. Copy ISO files to the data partition
3. Reboot and select USB in the boot menu
4. Choose the needed image in the Ventoy menu
Where it helps
Ventoy is especially useful when one USB drive should hold a universal toolkit: Windows installer, several Linux distributions, a live recovery system, memory diagnostics, antivirus images, or server installation media. One clear collection replaces many separate flash drives.
It also supports scenarios such as persistence and unattended installation when the selected image supports them. That makes Ventoy more than a convenient ISO folder; it can become part of repeatable installation work.
Strengths and tradeoffs
The strength is everyday simplicity. Adding a new image usually means copying a file instead of rewriting the whole drive. That saves time and reduces confusion across multiple USB sticks.
The tradeoffs come from booting itself. BIOS/UEFI behavior, Secure Boot, unusual ISOs, old hardware, and company policies can differ. Before an important installation, test the drive on a spare machine, and run Ventoy installation commands carefully because choosing the wrong disk can destroy data.