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Topic: Disk operating system

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	Disk operating system - Wikipedia, the free encyclopedia
		Most home computer DOS'es were stored on a floppy disk always to be booted at start-up, with the notable exception of Commodore, whose DOS resided on ROM chips in the disk drives themselves, available at power-on.
		In microcomputers, SWTPC's 6800 and 6809 machines used TSC's FLEX disk operating system, Radio Shack's TRS-80 machines used TRS-DOS, their Color Computer used OS-9, and most of the Intel 8080 based machines from IMSAI, MITS (makers of the legendary Altair 8800), Cromemco, North Star, etc used the CP/M-80 disk operating system.
		PC-DOS/MS-DOS (and CP/M) The best known family of operating systems named "DOS" is that running on IBM PCs type hardware using the Intel CPUs or their compatible cousins from other makers.
	en.wikipedia.org /wiki/Disk_operating_system (559 words)

	MS-DOS - Wikipedia, the free encyclopedia
		An example of MS-DOS's command-line interface, this one showing that the current directory is the root of drive C. Microsoft's disk operating system, MS-DOS was the dominant operating system for the PC compatible platform during the 1980s.
		Although its role as a desktop computer operating system has greatly diminished, today it is still used in various embedded x86 systems due to its simplistic architecture, minimal memory requirements, and minimal processor speed requirements.
		MS-DOS was not designed to be a multi-user or multitasking operating system, but many attempts were made to retrofit these capabilities.
	en.wikipedia.org /wiki/MS-DOS (1795 words)

	Introduction to DOS (Disk Operating System) (Site not responding. Last check: 2007-11-06)
		Most of the work of an operating system is done behind the scenes, and it determines the "personality" of the computer -- whether the user executes a program with a command or the the click of a mouse button.
		Data from the input device is interpreted by the operating system into language understood by the computer.
		DOS also represents the most popular operating system for IBM and compatible personal computers, ensuring that many different programs can run on a computer that is suing this operating system.
	learn.gwumc.edu /hscidist/hsci106/Dos-tut.htm (310 words)

	2.2 Disk Operating System (DOS) (Site not responding. Last check: 2007-11-06)
		To access the disk the computer needs to convert physical disk geometry (the number of cylinders on the disk, number of heads per cylinder, and sectors per track) to a logical configuration that is compatible with the operating system.
		Since sector translation works between the disk itself and the system BIOS or firmware, the operating system is unaware of the actual characteristics of the disk.
		The disk bootstrap calculates the physical disk address of the beginning of the files area, reads the files containing the operating system into memory, and transfers control to the BIOS module at location 0070:0000H.
	www.netnam.vn /unescocourse/os/22.htm (6529 words)

	Disk Operating System (DOS)
		An Operating System is a set of programs that help in controlling and managing the Hardware and the Software resources of a computer system.
		The system start-up routine of ROM runs a reliability test called Power On Self Test (POST) which initializes the chips and the standard equipment attached to the PC, and check whether peripherals connected to the computer are working or not.
		The floppy disk drives are assigned alphabets A and B, whereas the hard disk drive is assigned the alphabet C.
	www.nos.org /htm/os1.htm (2685 words)

	MS-DOS - FOLDOC Definition (Site not responding. Last check: 2007-11-06)
		MS-DOS is a single user operating system that runs one program at a time and is limited to working with one megabyte of memory, 640 kilobytes of which is usable for the application program.
		The resulting mess is now the highest-unit-volume operating system in history.
		Also know as PC-DOS or simply as DOS, which annoys people familiar with other similarly abbreviated operating systems (the name goes back to the mid-1960s, when it was attached to IBM's first disk operating system for the IBM 360).
	www.nightflight.com /foldoc/foldoc.cgi?MS-DOS (275 words)

	MS/DOS, which stands for Microsoft Disk Operating System was developed in 1981 (Site not responding. Last check: 2007-11-06)
		The purpose of its development was to serve as the operating system for the IBM PC which had not yet been produced.
		The original operating system that was going to be used was Digital Research's CP/M. However this all changed when IBM met with a small company, Microsoft, which was a language vendor.
		The system does not have many of the options that we are used to today, such as multiprogramming, no swapping, no protection and no virtual memory.
	oz.plymouth.edu /~budhp/Spr98/msdos.htm (334 words)

	MacKiDo/History/History_DrDos
		This became THE operating system for hobbyist microcomputers.
		IBM could create the Operating System - but it would take 5 years, and probably end-up some huge over-documented time-sharing mainframe OS that would not run on the cheap Intel processor they had.
		He had made the disk operating system for these machines, and he wouldn't give up on that market.
	www.mackido.com /History/History_DrDos.html (2996 words)

	DISK OPERATING SYSTEM - Definition
		[n] an operating system that is on a disk
		Such a system must handle physical disk I/O, the mapping of file names to disk addresses and protection of files from unauthorised access (in a multi-user system).
		A DOS should present a uniform interface to different storage device such as floppy disks, hard disks and magnetic tape drives.
	www.hyperdictionary.com /dictionary/disk+operating+system (153 words)

	Early Unix history and evolution (Site not responding. Last check: 2007-11-06)
		In addition, he started work on a new operating system for the GE-645, going as far as writing an assembler for the machine and a rudimentary operating system kernel whose greatest achievement, so far as I remember, was to type a greeting message.
		A file system without a way to exercise it is a sterile proposition, so he proceeded to flesh it out with the other requirements for a working operating system, in particular the notion of processes.
		Perhaps the most important watershed occurred during 1973, when the operating system kernel was rewritten in C. It was at this point that the system assumed its modern form; the most far-reaching change was the introduction of multi-programming.
	cm.bell-labs.com /cm/cs/who/dmr/hist.html (6213 words)

	Disk Operating System - Wikipedia
		Als Disk Operating System (kurz DOS) werden kleine und einfache Betriebssysteme für Computer bezeichnet, deren Hauptaufgabe die Verwaltung von magnetischen Speichermedien wie Disketten und Festplatten ist.
		MS-DOS und kompatible Systeme gelten als veraltet und werden heute praktisch nur noch auf Altsystemen, für den Betrieb alter MS-DOS-Software in Emulatoren oder in Nischenmärkten eingesetzt.
		Diese Systeme sind mit einem MS-DOS-Teilsystem ausgestattet, um MS-DOS-Anwendungen ausführen zu können.
	de.wikipedia.org /wiki/Disk_Operating_System (703 words)

	' + pPage + '
		For a disk to be bootable, IO.SYS or its equivalent must be listed as the first file in the directory of the disk and must occupy at least the first cluster on the disk (cluster number 2).
		DOS 5 was the first version of the operating system to be marketed on a retail level, and users turned out in droves to upgrade their systems.
		On a floppy disk, for example, this sector is the first one on the floppy disk because DOS recognizes the floppy disk as a volume without the need for partitioning.
	cma.zdnet.com /book/upgraderepair/ch22/ch22.htm (15773 words)

	Deployment Services Testing Guidance
		The tests made sure that APF installed the appropriate operating system on a given server, renamed it appropriately, and completed the post-operating system stages.
		The deployment server served as a central point for deploying the bits to the different servers where the operating system was installed.
		If a disk with a higher speed capacity is used it would be possible to achieve a higher rate on the number of servers being deployed.
	www.microsoft.com /technet/itsolutions/wssra/raguide/DeploymentServices/igdsbg_4.mspx (1052 words)

	MS-DOS help and commands
		Microsoft DOS (Disk Operating System) is a command line user interface.
		MS-DOS 1.0 was released in 1981 for IBM computers and the latest version of MS-DOS is MS-DOS 6.22, which was released in 1994.
		Additional information on other computer Operating Systems can also be found on our Operating Systems page.
	www.computerhope.com /msdos.htm (139 words)

	Disk Operating System - a Whatis.com definition - see also: DOS (Site not responding. Last check: 2007-11-06)
		DOS (Disk Operating System) was the first widely-installed operating system for personal computers.
		Today, Windows operating systems continue to support DOS (or a DOS-like user interface) for special purposes by emulating the operating system.
		In the 1970s before the personal computer was invented, IBM had a different and unrelated DOS (Disk Operating System) that ran on smaller business computers.
	whatis.techtarget.com /definition/0,289893,sid9_gci213911,00.html (242 words)

	DISK OPERATING SYSTEM-"DOS" (Site not responding. Last check: 2007-11-06)
		The DOS operating is relatively simple ONLY after the user has mastered some basic commands and uses a computer on a fairly regular basis.
		Pre-formatted disks are available but their cost is higher and the task of formatting disks is simple and quick.
		On 5.25" floppy disks there is a notch on the right side of the disk which "tells" the drive whether the disk can be written to or only read from.
	members.aol.com /dbarnesphd/page2-10.htm (1275 words)

	What is DOS? - A Word Definition From the Webopedia Computer Dictionary
		The term DOS can refer to any operating system, but it is most often used as a shorthand for MS-DOS (Microsoft disk operating system).
		However, DOS is still a 16-bit operating system and does not support multiple users or multitasking.
		Newer operating systems, such as Windows NT and OS/2 Warp, do not rely on DOS to the same extent, although they can execute DOS-based programs.
	www.webopedia.com /TERM/D/DOS.html (549 words)

	DOS :: Disk Operating System
		DOS stands for Disk Operating System and, though it now seems like a dinosaur, was the foundation for Microsoft's success.
		At the time, they were a fledging company laughed at by everybody else in the industry who even knew they existed, because they concentrated on software at a time when everybody except Bill knew that hardware was the most important thing.
		Since DOS was the standard operating system on all IBM PCs, it became the standard operating system and Microsoft grew into a major company.
	www.inforingpress.com /computer-careers/dos.htm (953 words)

	The DOS Index
		In fact, most of the operations of Windows are just graphical representations of the functions that DOS does.
		There are, of course, differences between all versions of Windows systems, but the introduction of NT took the OS in a different direction.
		When you DEL on a file, it does not actually delete the file but rests the disk area occupied by the file to be reused.
	home.att.net /~gobruen/progs/dos_batch/index.html (2374 words)

	DISK OPERATING SYSTEM (Site not responding. Last check: 2007-11-06)
		DOS needs to set some rules before it can make much sense to the processor so the first rule is that all of the disk drives have to have a unique name.
		Each drive contains a disk and each disk has a directory right at the front of it, just like a book has a table of contents.
		Similarly, on a disk, you can put files in the root directory without first putting them in a sub directory.
	members.socket.net /~sdelorey/SOFTWARE/tsld004.htm (236 words)

	Disk Operating System
		The operating system on any computer is the housekeeper for that computer.
		It manages the files and data throughout the system and serves as the interface between you, your program and the rest of the computer.
		In personal computers you usually find certain generic operating systems, that is versions of the same operating system built for different sets of hardware, to allow a programmer to have a standard set of commands to do similar things on different machines.
	www.cknow.com /tutorcom/dos01_intro.htm (147 words)

	DOS history
		Gary Kildall writes a simple operating system in his PL/M language.
		Seattle Computer Products decides to make their own disk operating system (DOS), due to delays by Digital Research in releasing a CP/M-86 operating system.
		It was written from scratch, supporting 10 MB hard drives, a tree-structured file system, and 360 KB floppy disks.
	members.fortunecity.com /pcmuseum/dos.htm (484 words)

	OpenDOS FAQ list
		They are available as floppy disk images to install from floppy or as sets of files to install from the hard disk.
		File system support is currently a hot topic on the mailing list, though, so we will see...
		A: Caldera inherited a weird source control system that all the sources are stored in, and they use an even more weird build system.
	www.delorie.com /opendos/faq (1702 words)

	PC-DOS - a Whatis.com definition - see also: Personal Computer - Disk Operating System (Site not responding. Last check: 2007-11-06)
		PC-DOS (Personal Computer - Disk Operating System) was the first widely-installed operating system used in personal computers.
		Most users of either DOS system have usually referred to their system as just DOS.
		Like MS-DOS, PC-DOS was (and still is) a non-graphical line-oriented command-driven operating system, with a relatively simple interface but not overly "friendly" user interface.
	searchmobilecomputing.techtarget.com /sDefinition/0,,sid40_gci212759,00.html (233 words)

	'How to' software exploits book raises eyebrows (Site not responding. Last check: 2007-11-06)
		Shellcode is a term that describes small pieces of computer code that launch operating system "shells", or command interfaces such as the common "C:\" command line interface on Microsoft DOS (Disk Operating System).
		Shellcode is often a component of attacks in which malicious hackers use software exploits to get control of vulnerable systems.
		He said the information contained in the book is essential to administrators who want to secure the computer systems under their management.
	www.computerweekly.com /rd/article.asp?liArticleID=129216&fv=1&sp=1 (593 words)

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