This program may itself be a small program designed to load a larger and more capable program, i.e., the full operating system. The term boot comes from the idea of lifting oneself by one's own bootstraps: the computer contains a tiny program (bootstrap loader) which will load and run a program found on a boot device. for Amiga home computers, running MS-DOS video games on modern computers by using a bootable MS-DOS or FreeDOS USB flash drive). Administrative access in case of lost password is possible with an appropriate boot disk with some operating systems.Running a temporary operating environment, such as when using a Live USB drive.One can make one's own boot disk (typically done to prepare for when the system won't start properly). The computer's BIOS must support booting from the device in question. CD-ROMs are the most common forms of media used, but other media, such as magnetic or paper tape drives, ZIP drives, and more recently USB flash drives can be used. While almost all modern computers can boot from a hard drive containing the operating system and other software, they would not normally be called boot disks (because they are not removable media). The computer must have a built-in program which will load and execute a program from a boot disk meeting certain standards. Removable disk from which a computer can boot an operating systemĪ boot disk is a removable digital data storage medium from which a computer can load and run ( boot) an operating system or utility program.
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