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ISO images contain the binary image of an optical media file system (usually ISO 9660 and its extensions or UDF), including the data in its files in binary format, copied exactly as they were stored on the disc. The data inside the ISO image will be structured according to the file system that was used on the optical disc from which it was created.
Both ISO images and physical devices connected to the host can be mounted as CD or DVD drives. VirtualBox supports running operating systems from live CDs and DVDs. By default, VirtualBox provides graphics support through a custom virtual graphics-card that is VBE or UEFI GOP compatible.
Installable Live CD/USB: a hybrid ISO image which can be burned to either CD or USB [7] and used to install on both bare metal (I.e. a non-virtualized physical machine) and virtual machines, including VMware, Xen, XenServer, VirtualBox, and KVM. This image can also run live in non-persistent demo mode.
Virtual OpenBSD machine configuration in VirtualBox with live image file (6.3-Release-i386-bootonly.iso) The files on a live CD ISO image can be accessed in Microsoft Windows with a disk image emulator such as Daemon Tools, or in Unix variants by mounting a loop device. Later versions of Windows (i.e. Windows 8 and later), and software ...
Ventoy is a free and open-source utility used for creating bootable usb media storage device with files such as .iso, .wim, .img, .vhd(x), and .efi.Once Ventoy is installed onto a USB drive, there is no need to reformat the disk to update it with new installation files; it is enough to copy the .iso, .wim, .img, .vhd(x), or .efi file(s) to the USB drive and boot from them directly.
The distribution Ubuntu added support for UEFI Secure Boot as of version 12.10. [121] Furthermore, the Linux kernel can be compiled with the option to run as an EFI bootloader on its own through the EFI boot stub feature. HP-UX has used (U)EFI as its boot mechanism on IA-64 systems since 2002.
A bootable device can be storage devices like floppy disk, CD-ROM, USB flash drive, a partition on a hard disk (where a hard disk stores multiple OS, e.g Windows and Fedora), a storage device on local network, etc. [7] A hard disk to boot Linux stores the Master Boot Record (MBR), which contains the first-stage/primary bootloader in order to be ...
iPXE can act as a boot loader for the Linux kernel, with support for multiboot. For other operating systems, for example Windows CE , iPXE chain-loads corresponding Microsoft boot loader. Additionally, iPXE is scriptable and can load COMBOOT and COM32 SYSLINUX extensions, which, for example, allows SYSLINUX-based graphical menu capabilities to ...