1. GROUP IV 2. LEADER: MEMBERS: Debbie O. Villanueva Kathleen Bueno Gemmalyn Rojo Kaye Lontok Marjorie Dacsil 3. Operating systems categorized as Disk Operating System 4.…
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  • 1. GROUP IV
  • 2. LEADER: MEMBERS: Debbie O. Villanueva Kathleen Bueno Gemmalyn Rojo Kaye Lontok Marjorie Dacsil
  • 3. Operating systems categorized as Disk Operating System
  • 5. DOS, short for "Disk Operating System",is a shorthand term for several closely related operating systems that dominated the IBM PC compatible market between 1981 and 1995, or until about 2000 if one includes the partially DOS-based Microsoft Windows versions Windows 95 , 98 , and Me . Related systems include MS-DOS , PC DOS , DR-DOS , FreeDOS , PTS-DOS , ROM-DOS , JM-OS, and several others.
  • 6. While DOS was the primary PC-compatible platform, several notable programs were written for it. These included: <ul><li>Lotus 1-2-3 ; a spreadsheet program that saw heavy use in corporate markets, and has been credited with the success of the IBM PC </li></ul><ul><li>WordPerfect ; a word processor that is currently produced for the Windows platform </li></ul><ul><li>dBase ; one of the earliest database programs </li></ul><ul><li>Telix ; a modem communication program </li></ul><ul><li>Arachne ; a DOS web browser </li></ul><ul><li>DJGPP , the DOS port of gcc </li></ul><ul><li>4DOS , a replacement shell </li></ul><ul><li>Borland 's integrated development environment , which included Turbo Pascal , Turbo BASIC , Turbo C , and Turbo Assembler </li></ul><ul><li>BBS hosting software RemoteAccess , Spitfire , Maximus , McBBS , and TAG </li></ul><ul><li>BASIC -language utilities BASICA and GW-BASIC </li></ul><ul><li>Numerous first-person shooter games: Wolfenstein 3D , a joint venture between ID Software and Apogee Software (later 3D Realms ); ID Software's Doom and Quake ; and 3D Realms' Duke Nukem 3D , Shadow Warrior , and Rise of the Triad . All three 3D Realms' titles were built with the DOS-based Build engine , written by Ken Silverman and used for Silverman's Ken's Labyrinth . </li></ul>
  • 7. 86-DOS was an operating system developed and marketed by Seattle Computer Products for its Intel 8086 -based computer kit. Initially known as QDOS ( Quick and Dirty Operating System) the name was changed to 86-DOS once SCP started licensing the operating system. 86-DOS had a command structure and application programming interface that imitated that of Digital Research 's CP/M operating system, which made it easy to port programs from the latter. The system was purchased by Microsoft and developed further as PC-DOS and MS-DOS . 86-DOS
  • 8. <ul><li>QDOS v0.1, July 1980 &quot;50% completed&quot; version of the OS. </li></ul><ul><li>QDOS v0.11, August 1980 Bug fix. </li></ul><ul><li>86-DOS v0.33, December 1980 First version distributed to OEMs and Microsoft. </li></ul><ul><li>86-DOS v1.0, April 1981 Modified system calls. </li></ul><ul><li>86-DOS v1.14, July 1981 Renamed MS-DOS as of July 27th 1981. </li></ul>versions
  • 9. IBM PC DOS is a DOS operating system for the IBM Personal Computer , sold throughout the 1980s and 2000s. The original 1981 arrangement between IBM and Microsoft was that Microsoft would provide the base product and that both firms would work on developing different parts of it into a more powerful and robust system, and then share the resultant code. PC DOS and MS-DOS were to be marketed separately: IBM selling to itself for the IBM PC, and Microsoft selling to the open market. However, at no time did IBM acquire the ownership of the source code of the operating system for its own PCs . IBM PC-DOS
  • 10. <ul><li>Official product name of &quot;PC DOS&quot; are as below: </li></ul><ul><li>IBM Personal Computer Disk Operation System 1.0 (short-name: PC DOS 1.0) </li></ul><ul><li>IBM Personal Computer Disk Operation System 2.0 (short-name:PC DOS 2.0) </li></ul><ul><li>IBM Personal Computer Disk Operation System 3.0 (short-name:PC DOS 3.0) </li></ul><ul><li>IBM DOS 4.0 (IBM changed product name) </li></ul><ul><li>IBM DOS 5.0 </li></ul><ul><li>IBM PC DOS 6.1 (IBM changed product name again. &quot;PC DOS&quot; is not short-name.) </li></ul><ul><li>IBM PC DOS 6.3 </li></ul><ul><li>IBM PC DOS 7 </li></ul><ul><li>IBM PC DOS 2000 (IBM's last version) </li></ul>Naming
  • 11. MS-DOS (short for Microsoft Disk Operating System) is an operating system commercialized by Microsoft . It was the most commonly used member of the DOS family of operating systems and was the main operating system for personal computers during the 1980s. It was based on the Intel 8086 family of microprocessors, particularly the IBM PC and compatibles . It was gradually replaced on consumer desktop computers by operating systems offering a graphical user interface (GUI), in particular by various generations of the Microsoft Windows operating system and Linux . MS-DOS was known before as QDOS (Quick and Dirty Operating System) and 86-DOS . MS-DOS
  • 12. DR-DOS is a DOS -type operating system for IBM PC - compatible personal computers , originally developed by Gary Kildall 's Digital Research and derived from CP/M -86. Digital Research 's original CP/M for the 8-bit Intel 8080 and Z-80 based systems spawned numerous spin-off versions, most notably CP/M-86 for the Intel 8086 / 8088 family of processors. Although CP/M had dominated the market, and was shipped with the vast majority of non-proprietary-architecture personal computers, the IBM PC in 1981 brought the beginning of what was eventually to be a massive change. DR-DOS
  • 13. First DR-DOS version The first version was released in May, 1988. Version numbers were chosen to reflect features relative to MS-DOS; the first version promoted to the public was DR-DOS 3.41, which offered features comparable to the successful MS-DOS 3.3 and its derivatives Version 5.0 DR-DOS version 5.0 was released in May 1990. (Version 4 was skipped to avoid being associated with the relatively unpopular MS-DOS 4.0.) This introduced ViewMAX , a GEM based GUI file management shell, and bundled disk-caching software, and also offers vastly improved memory management. Recent versions In 2002, Lineo was bought out, and some of Lineo's former managers purchased the name and formed a new company, DeviceLogics . They have continued to sell DR-DOS for use in embedded systems. DR-DOS 8.0 was released on 30 March 2004 featuring FAT32 and large disk support, the ability to boot from ROM or Flash VERSIONS
  • 14. FreeDOS (formerly Free-DOS and PD-DOS) is an operating system for IBM PC compatible computers. FreeDOS is made up of many different, separate programs that act as &quot;packages&quot; to the overall FreeDOS Project.As a member of the DOS family, it provides mainly disk access through its kernel , and partial memory management , but no default GUI (although OpenGEM is listed on the official FreeDOS website). FreeDOS is currently at version 1.0, released on September 3 , 2006 . [4] FreeDOS supports vintage hardware IBM PC as well as modern ones, in addition to embedded computers . Unlike MS-DOS , it is composed of free and open source software , licensed under the terms of the GNU General Public License (GPL). It does not require license fees or royalties and creation of custom distributions is permitted.However, in its &quot;util&quot; section it includes also non-free software such as 4DOS . FreeDOS
  • 15. FreeDOS is also used by several companies: <ul><li>Dell packages FreeDOS with their n-series desktops. The company has been criticized for making these machines no cheaper and more difficult to purchase than identical systems running Windows.In addition, Dell often only offers FreeDOS systems with features such as dual-core processors which FreeDOS cannot utilize. </li></ul><ul><li>HP provides FreeDOS as an option in its dc5750 desktop PCs. </li></ul><ul><li>ASUS uses FreeDOS to allow the user to boot their motherboard driver CDs to create the SATA device driver disk (needed for Windows versions before XP SP2). </li></ul><ul><li>GRC 's SpinRite 6 boot image loads FreeDOS, as shown at the bottom of the splash screen </li></ul>
  • 16. FreeDOS Version Version Status Codename Date 0.05 ALPHA None January 12 , 1998 0.1 BETA Orlando March 25 , 1998 0.3 BETA Ventura April 21 , 1999 0.4 BETA Lemur April 9 , 2000 0.5 BETA Lara August 10 , 2000 0.6 BETA Midnite March 18 , 2001 0.7 BETA Spears September 7 , 2001 0.8 BETA Nikita April 7 , 2002 0.9rc1 BETA Methusalem July 2003 0.9rc2 BETA None August 23 , 2003 0.9rc3 BETA None September 27 , 2003 0.9rc4 BETA None February 5 , 2004 0.9rc5 BETA None March 20 , 2004 0.9 BETA None September 28 , 2004 0.9sr1 BETA None November 30 , 2004 0.9sr2 BETA None November 30 , 2005 1.0 FINAL None September 3 , 2006
  • 17. ProDOS was the name of two similar operating systems for the Apple II series of personal computers . The original ProDOS, renamed ProDOS 8 in version 1.2, was the last official operating system usable by all Apple II series computers, and was distributed from 1983 to 1993.The other, ProDOS 16 , took advantage of the extra capabilities of the 16-bit Apple IIgs , but was short-lived and replaced by GS/OS within a year. ProDOS was marketed by Apple as meaing Professional Disk Operating System , and became the most popular operating system for the Apple IIs eries of computers 10 months after its release in January 1983. Apple ProDOS
  • 18. PTS-DOS is a disk operating system , a DOS clone, developed in Russia by PhysTechSoft PhysTechSoft was formed in 1991 in Moscow , Russia by graduates and members of MIPT , informally known as PhysTech. In the end of 1993, PhysTechSoft released first commercially available PTS-DOS as PTS-DOS v6.4 (version numbering obviously seems to follow versions of MS-DOS , as Microsoft released MS-DOS 6.2 in November 1993). PTS-DOS
  • 19. RDOS, or the Real-time Disk Operating System , was a real-time operating system released in 1972 for the popular Data General Nova and Data General Eclipse minicomputers . RDOS was also capable of multitasking . RDOS could run up to 32 &quot;tasks&quot; (similar to threads on modern computer CPUs) simultaneously within a 64K memory space. Later versions of RDOS were compatible with Data General's 16-bit Eclipse minicomputer line. RDOS
  • 20. DESQview was a text mode multitasking program developed by Quarterdeck Office Systems which enjoyed modest popularity in the late 1980s and early 1990s. Running on top of DOS , it allowed users to run multiple DOS programs concurrently in multiple windows . DESQview was released in July 1985, four months before Microsoft introduced the first version of Windows . It was widely thought to be the first program to bring multitasking and windowing capabilities to DOS, but in fact there was a predecessor, IBM 's failed TopView , released in 1984, from which DESQview inherited the popup menu. DESQview
  • 21. DESQview and QEMM To make maximum use of extended memory on Intel 80386 processors, by transforming it into expanded memory and upper memory blocks ( UMBs ) accessible to DESQview and other real-mode programs, Quarterdeck developed a sophisticated memory manager . Owing to the foresight of its marketing manager, Quarterdeck marketed it as a separate product, QEMM-386 (Quarterdeck Expanded Memory Manager 386). It became more popular than DESQview itself, and sold steadily for many years, generating over US$150 million in sales from 1987 through 1994. After the release of the Intel Pentium processor, the 386 in QEMM was dropped. The combination package of DESQview and QEMM-386 was called DESQview 386.
  • 22. Operating systems categorized as Network operating system
  • 23. Network operating system
  • 24. A network operating system (NOS) is software that controls a network and its message (e.g. packet ) traffic and queues , controls access by multiple users to network resources such as files, and provides for certain administrative functions, including security . The upper 5 layers of the OSI Reference Model provide the foundation upon which many network operating systems are based
  • 25. Features <ul><li>Network operating system features may include: </li></ul><ul><li>basic support for hardware ports </li></ul><ul><li>security features such as authentication , authorization , login restrictions, and access control </li></ul><ul><li>name services and directory services </li></ul><ul><li>file, print, data storage , backup and replication services </li></ul><ul><li>remote access </li></ul><ul><li>system management </li></ul><ul><li>network administration and auditing tools with graphic interfaces </li></ul><ul><li>clustering capabilities </li></ul><ul><li>fault tolerance and high availability </li></ul>
  • 26. The Cambridge Ring was an experimental local area network architecture developed at the Cambridge University Computer Laboratory in the mid-late 1970s and early 1980s. It used a ring topology with a theoretical limit of 255 nodes (though such a large number would have badly affected performance), around which cycled a fixed number of packets. Free packets would be &quot;loaded&quot; with data by a machine wishing to send, marked as received by the destination machine, and &quot;unloaded&quot; on return to the sender; thus in principle there could be as many simultaneous senders as packets. The network ran over twin twisted-pair cabling (plus a fibre-optic section). In 2002 the Cambridge University Computer Laboratory launched a graduate society called the Cambridge Computer Lab Ring named after the Cambridge Ring . Cambridge Ring
  • 27. The CSIRO computing network, CSIRONET has evolved from a few interactive terminals in Canberra to over 250 interactive terminals and about 50 PDP-11 nodal computers scattered throughout Australia. This evolution has occurred within the framework of certain management policies and design principles rather than to an overall detailed plan. The flexibility of this approach has permitted the expansion of the network far beyond that initially envisaged, the provision of facilities not originally contemplated and the utilization of new equipment and communications facilities as they have become available. CSIRONET
  • 28. The Convergent Technologies Operating System , also known variously as CTOS , BTOS and STARSYS , was a modular, message-passing , multi-process based operating system . CTOS had many innovative features for its time. The file system was hierarchical and allowed very long file names. Security was also hierarchical. If one knew the password, for example, for a volume, one could access any file or directory on that volume (hard disk.) Each volume and directory were referenced with delimiters to identify them, and could be followed with a file name, depending on the operation, i.e. [VolumeName]<DirectoryName>FileName. CTOS
  • 29. Network Appliance this week brought out the latest version of its Data ONTAP software, which it said creates a grid storage architecture on its appliances by creating an abstraction layer between application servers, storage controllers and disk arrays. NetApp's new Data ONTAP 7G software uses a single global name space to give storage administrators a single view of storage resources and pools processing power across its network-attached storage (NAS) arrays, said Chris Bennett, director of marketing at NetApp. ONTAP
  • 30. The Cisco MDS 9000 Family SAN-OS is the underlying system software that powers the award-winning Cisco MDS 9000 Family Multilayer Switches. SAN-OS is designed for storage area networks (SANs) in the best traditions of Cisco IOS® Software to create a strategic SAN platform of superior reliability, performance, scalability, and features. In addition to providing all the features that the market expects of a storage network switch, the SAN-OS provides many unique features that help the Cisco MDS 9000 Family to deliver low total cost of ownership (TCO) and a quick return on investment (ROI). SAN-OS
  • 31. McDATA E/OS firmware version 05.02.00, part number 515-000010-520, is supported on the following products: • Intrepid ™ 6140 (ED-6140) • Intrepid 6064 (ED-6064) • Sphereon™ 3016 (Model 001 and 002) • Sphereon 3032 (Model 001 and 002) • Sphereon 3216 • Sphereon 3232 • Sphereon 4500
  • 32. E/OS 05.02.00 contains an enhancement that will eliminate customer outages in certain types of NVRAM failures. In E/OS 05.01.00, when the NVRAM validation routine detects an error in the configuration data, it faults the processor. On director products this results in a failover to the redundant CTP card, with no customer interruption of service. On switch products with no redundant CTP, the processor IPLs and resets the configuration to factory defaults. E/OS 05.02.00 implements a new correction algorithm, which allows the switch to automatically recover from errors detected during system runtime.
  • 33. First generation The first generation of Fabric OS was developed on top of a VxWorks kernel and was mainly used in the Brocade Silkworm 2000 and first 3000 series on Intel i960 . Even today, many production environments are still running the older generation Silkworm models Second generation The second generation of Fabric OS was developed on a PowerPC platform, and uses MontaVista Linux , a Linux derivative with real-time performance enhancements. With the advent of MontaVista, switches and directors have the ability of hot firmware activation (without downtime for Fibre Channel fabric ), and many useful diagnostic commands. According to GPL and LGPL terms, Brocade provides access to sources of distributed free software, on which Fabric OS firmware is based. Fabric OS
  • 34. <ul><li>Fabric OS 6.x </li></ul><ul><ul><li>6.1: M-EOS compatibility enhacements </li></ul></ul><ul><ul><li>6.0: LDAP support </li></ul></ul><ul><li>Fabric OS 5.x </li></ul><ul><ul><li>5.3: switch to Linux 2.6 kernel </li></ul></ul><ul><ul><li>5.1: Access Gateway mode </li></ul></ul><ul><li>Fabric OS 4.x </li></ul><ul><ul><li>4.1: SSH support, Multiple user access </li></ul></ul><ul><li>Fabric OS 3.x </li></ul><ul><li>Fabric OS 2.x </li></ul>Versions
  • 35. Juniper JUNOS is the software or the network operating system used in the Juniper Networks routers . It is Juniper's single network operating system spanning routing , switching and security platforms on its router products. The corporate strategy of Juniper is to offer a single Operating System across its routing and switching equipments.
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