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The boot loader in or loaded by the MBR displays a menu of logical drives and loads the selected boot loader from the PBR of that drive. An example of a computer with one operating system per storage device is a dual-booting computer that stores Windows on one disk drive and Linux on another disk drive. In this case a multi-booting boot loader ...
Multi-boot systems are computers where the user can boot into more than one distinct operating system (OS) stored in separate storage devices or in separate partitions of the same storage device. In such systems a menu at startup gives a choice of which OS to boot/start (and only one OS at a time is loaded).
This usage was influenced by the device prefixes used in Digital Equipment Corporation's (DEC) TOPS-10 operating system. [2] The drive letter syntax chosen for CP/M was inherited by Microsoft for its operating system MS-DOS by way of Seattle Computer Products' (SCP) 86-DOS, and thus also by IBM's OEM version PC DOS.
When the medium (or media, when the filesystem is a volume filesystem as in RAID arrays) is mounted, these metadata are read by the operating system so that it can use the storage. [2] [3] Unix-like operating systems often include software and tools that assist in the mounting process and provide it new functionality. Some of these strategies ...
Regardless of operating system, the drive can detect when the computer writes all zeros to a block, and de-allocate (trim) that block instead of recording the block of zeros. If reading a de-allocated block always returns zeros, this shortcut is transparent to the user, except for faster writing (and reading) of all-zero blocks, in addition to ...
On August 2, 2004, Norton GHOST 9.0 was released as a new consumer version of Ghost, which is based on PowerQuest's Drive Image version 7, and provides Live imaging of a Windows system. GHOST 9 continues to leverage the PowerQuest (v2i) file format, meaning it is not backward compatible with previous versions of Ghost.
Disk cloning is the process of duplicating all data on a digital storage drive, such as a hard disk or solid state drive, using hardware or software techniques. [1] Unlike file copying, disk cloning also duplicates the filesystems, partitions, drive meta data and slack space on the drive. [2]
MUSIC/SP – an operating system developed for the S/370, running normally under VM; OS ES – an operating system for ES EVM; PC-MOS/386 – DOS-like, but multiuser/multitasking; Prolog-Dispatcher – used to control Soviet Buran space shuttle. SINTRAN III – an operating system used with Norsk Data computers. SkyOS – commercial desktop OS ...