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Operating system/2
Case study
on
Presented by
Roll no name
43 Dilesh jadhav
6 Karan katkar
7 Sagar kadam
19 Rohit kamble
42 Anand tiwari
overview
history
definitio
n
How to
install
Supporte
d
applicati
on
OS/2
features
OS/2
version
IBM
products
that
used
OS/2
architec
ture
Why
Os/2
failed
overview
History
definition
How to install
Supported
applications
OS/2 features
OS/2 version
IBM products that
used OS/2
architecture
Why OS/2 failed
History
 The development of OS/2 began when IBM and Microsoft signed the "Joint
Development Agreement" in August 1985.
 It was code-named "CP/DOS" and it took two years for the first product to be
delivered.
 OS/2 was intended as a protected mode successor of PC DOS.
 The collaboration between IBM and Microsoft unravelled in 1990, between the
releases of Windows 3.0 and OS/2 1.3.
 IBM released a version it called OS/2 Warp that included Internet access and
additional features. At the same time, Microsoft was working on OS/2 version 3.0;
however, it later became Microsoft Windows NT.
 OS/2 is no longer marketed by IBM, and IBM standard support for OS/2 was
discontinued on 31 December 2006. It has been since maintained with relatively
few new features under the name of eComStation.
 IBM OS/2, in full International Business Machines Operating System/2, an
operating system introduced in 1987 by IBM and the Microsoft Corporation to
operate the second-generation line of IBM personal computers, the PS/2
(Personal System/2).
 IBM OS/2 was intended to replace the older disk operating system (DOS),
which, with the development of the Intel Corporation 80286 microchips in the
mid-1980s, was growing increasingly obsolete. OS/2 combined a new
graphical user interface (GUI) with features previously available only on
mainframe computers. It shared similarities with other personal computer
(PC) operating systems, including Microsoft Windows, UNIX and Xenix.
 Simultaneously, Microsoft continued development of its Windows operating
system, whose popular third iteration (Windows 3.0) contained some of the
GUI elements developed for OS/2. Despite later basing some Windows NT and
Windows 95 developments on code written for IBM and OS/2, Microsoft soon
discontinued development of further interface features for OS/2.
 With Microsoft focusing its efforts on Windows, IBM turned to Commodore
Business Machines for interface development and borrowed GUI design ideas
from the Commodore AmigaOS. With OS/2.20 the Workplace Shell was
created and became a GUI standard, and future OS/2 iterations ran Windows
with a reliability that led IBM to label the system “crash proof.”
 In 1994 IBM introduced a new version, OS/2 Warp, which included many new
features. OS/2, however, failed to acquire a share of the mass market. It
survived in IBM-dominated markets such as automated teller machines (ATMs),
but the company halted production in 2005 and support in 2006. Users and
developers still loyal to OS/2 support releasing the software as open source,
but Microsoft retains rights to some of the code, and the security of ATMs
could be compromised.
Definition
 OS/2 was originally a 16-bit operating system that was designed to work with
286 processors and first introduced in 1987.
 Jointly developed by Microsoft and IBM to operate with Intel microprocessors.
 OS/2 later became a graphical interface similar to Windows, but also
supported a command line.
 In fact, many OS/2 and DOS commands are the same.
 The user interface is built up object-oriented.
How to install
 Boot screen of OS/2.
 Setup of OS/2.
 Introduction to OS/2.
 Drive selection.
 File system of OS/2.
 Installing OS/2 from backup.
 Select features
 System configuration
 OS/2 setup and Installation.
 Transferring files(system configuration) to HDD.
 Configured OS/2 Desktop.
 Operating system/2 booting screen with logo.
 OS/2 Tutorial.
 View of OS/2 desktop.
 OS/2 graphical user interface
Supported application
 OS/2 is open source software.
 It supports various applications which are list below.
 Text editors: Extended Editor, ZED.
 Graphics players: Animation player, Panorama Tools, Show3D.
 Internet apps: NetChat, MailRun.
 Browsers: Qbrows, QtWeb, Surfer.
 Calculator: Octave, ccalc.
 Screensaver: Blackout:
 "Blackout" is a completely FREE screen saver for OS/2 versions 2.0.
 Spreadsheet: Spreadsheet Calculator.
 Spell checker: Ispell.
 Voice: Backtalk:
 Backtalk is free Speech System for OS/2.
 Games: Alien Blaster, Doom for OS/2.
 Radio: FM Radio.
 Audio player: os2sound.
 Video: DCITU:
 Digital Camera Image Transfer Utility application for OS/2 and eComStation.
 QuickMotion:
 Quickmotion for OS/2. MMOS/2 CODECS for Apple formats.
 Antivirus: ClamAV.
OS/2 features
 Low System Requirements:
 OS/2 can run on any 386 or higher system with at least 8Mb of RAM and 200Mb
of hard drive space.
 Ability to run More applications:
 Because of OS/2's backwards compatibility you can run more applications on
OS/2 today than any other PC OS.
 Full Pre-emptive Multitasking:
 OS/2 controls how much processor time each program gets. This means that
users won't have to worry about a "resource hog" tying up the system, and
they can continue doing their work.
 Users can also select exactly how much processor time they want to allocate
to each program.
 Memory Virtualization:
 Because of OS/2's excellent memory virtualization users can run applications
that they normally would not be able to because of memory restrictions.
 As an example, users can run applications that would normally use up 32Mbs
of RAM on a 16Mb system.
 Crash Protection:
 OS/2 protects each program in it's own "virtual machine".
 If the system does crash, chances are that the user will be able to recover
some or all of their data.
 High Performance File System:
 OS/2's file system is called HPFS . HPFS uses disk space more efficiently.
 Device Driver Support:
 IBM now includes a CD devoted to device drivers with OS/2 and is
continuously supporting manufacturers in ensuring that new hardware has
OS/2 drivers.
 Complete Networking Support:
 OS/2 has support for all industry standard networking protocols.
OS/2 version
Version Release date Comments
OS/2 1.0
(Codename: CP/DOS)
December 1987
 Joint IBM-Microsoft development
 16-bit protected mode OS
 Required 80286, about 1.5MB
RAM
 Supported max 32MB partitions
 Text mode interface only
 Single DOS box support
 FAT file system only
OS/2 1.1
(Codename: Trimaran)
November 1988
 Added graphical user interface -
the Presentation Manager
 Support for larger than 32MB
partitions
OS/2 1.2
(Codename: Sloop)
October 1989
 Installable File System Support
(IFS)
 HPFS included
 Revamped Presentation Manager
 Dual Boot capability
 Included REXX and IPF
Version Release date Comments
OS/2 1.3
(Codename: Cutter)
December 1990
 Extensive performance tuning
 Lowered resource requirements
(2MB RAM minimum)
 Support for ATM fonts
 Developed by IBM without
Microsoft's involvement
OS/2 2.0
(Codename: Cruiser)
April 1992
 32-bit OS
 Required 80386SX, 4MB RAM
 Multiple DOS boxes
 Win-OS/2 support
 System Object Model (SOM
support)
 Workplace Shell (WPS) based on
SOM used as GUI
 Boot Manager
OS/2 2.1
(Codename: Borg)
May 1993
 32-bit Graphics Engine (GRE)
 More CD-ROM and SCSI drivers
 APM and PCMCIA support
 MMPM/2 included
 Win-OS/2 based on Windows 3.1
OS/2 for Windows
(Codename: Ferengi)
November 1993
 No Win-OS/2 - used pre-existing
Windows 3.1 instead
 New drivers for S3 based cards
Version Release date Comments
OS/2 2.11 February 1994
 Also available as Service Pack
XR06200 for OS/2 2.1
 Primarily bug fixes
OS/2 2.11 SMP June 1994
 Symmetric Multiprocessing (SMP)
support
 Support for up to 16 CPUs
OS/2 Warp 3.0
(Codename: Warp)
October 1994
 Performance tuning, lower resource
requirements
 Compatible with Windows 3.11
 Included Bonus Pack
 More drivers for many device types
 Many WPS modifications
OS/2 Warp Connect May 1995
 Included full networking support in
base OS
 Peer to peer functionality
OS/2 Warp 4.0
(Codename: Merlin)
September 1996
 Included Java 1.01 runtime and JDK
 Voice Type support
IBM products that used OS/2
Product Nature of Product How was OS/2 used?
IBM 3494 Tape Library Used as the operating
system for the Library
Manager (LM) that
controlled the tape
accessory (robot).
IBM 3745 Communications Controller Used as the operating
system for the Service
Processor (SP) and if
installed, the Network
Node Processor (NNP).
IBM 473x ATM Used in a range of
Automatic Teller Machines
manufactured by IBM. Was
also used in later 478x
ATMs manufactured with
Diebold.
OS/2 architecture
Why OS/2 failed
 The creators of OS/2 had great plans and expectations. Twenty years
later, it is clear that OS/2 largely failed.
 There is no single reason for this failure.
 Microsoft tried to claim all credit for OS/2 (MS OS/2 products for example
do not include IBM copyright messages, while IBM versions have both IBM
and MS copyright notices) which irked IBM.
 There was also a culture clash between IBM and Microsoft. IBM had an
established and highly formalized development process, while Microsoft
was a company of hackers always ready to go for an ad-hoc solution.
 IBM programmers could not understand how anyone could write code
without proper design documents and thorough testing. Microsoft
programmers could not understand how anyone could waste so much time
on paperwork when they should be writing code instead.
 Some say that it was a mistake to develop for 286 and OS/2 should have been
developed for the 386 from the beginning. It is questionable whether this
would have been beneficial or not. On the one hand, the 286 architecture was
highly problematic when DOS compatibility was desired. On the other hand,
OS/2 was released at a time (1987) 386 based machines were very rare.
OS/2 support ended by IBM in 2013
Thanks !

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Os2

  • 2. Presented by Roll no name 43 Dilesh jadhav 6 Karan katkar 7 Sagar kadam 19 Rohit kamble 42 Anand tiwari
  • 4. overview History definition How to install Supported applications OS/2 features OS/2 version IBM products that used OS/2 architecture Why OS/2 failed
  • 5. History  The development of OS/2 began when IBM and Microsoft signed the "Joint Development Agreement" in August 1985.  It was code-named "CP/DOS" and it took two years for the first product to be delivered.  OS/2 was intended as a protected mode successor of PC DOS.  The collaboration between IBM and Microsoft unravelled in 1990, between the releases of Windows 3.0 and OS/2 1.3.  IBM released a version it called OS/2 Warp that included Internet access and additional features. At the same time, Microsoft was working on OS/2 version 3.0; however, it later became Microsoft Windows NT.  OS/2 is no longer marketed by IBM, and IBM standard support for OS/2 was discontinued on 31 December 2006. It has been since maintained with relatively few new features under the name of eComStation.
  • 6.  IBM OS/2, in full International Business Machines Operating System/2, an operating system introduced in 1987 by IBM and the Microsoft Corporation to operate the second-generation line of IBM personal computers, the PS/2 (Personal System/2).  IBM OS/2 was intended to replace the older disk operating system (DOS), which, with the development of the Intel Corporation 80286 microchips in the mid-1980s, was growing increasingly obsolete. OS/2 combined a new graphical user interface (GUI) with features previously available only on mainframe computers. It shared similarities with other personal computer (PC) operating systems, including Microsoft Windows, UNIX and Xenix.  Simultaneously, Microsoft continued development of its Windows operating system, whose popular third iteration (Windows 3.0) contained some of the GUI elements developed for OS/2. Despite later basing some Windows NT and Windows 95 developments on code written for IBM and OS/2, Microsoft soon discontinued development of further interface features for OS/2.
  • 7.  With Microsoft focusing its efforts on Windows, IBM turned to Commodore Business Machines for interface development and borrowed GUI design ideas from the Commodore AmigaOS. With OS/2.20 the Workplace Shell was created and became a GUI standard, and future OS/2 iterations ran Windows with a reliability that led IBM to label the system “crash proof.”  In 1994 IBM introduced a new version, OS/2 Warp, which included many new features. OS/2, however, failed to acquire a share of the mass market. It survived in IBM-dominated markets such as automated teller machines (ATMs), but the company halted production in 2005 and support in 2006. Users and developers still loyal to OS/2 support releasing the software as open source, but Microsoft retains rights to some of the code, and the security of ATMs could be compromised.
  • 8. Definition  OS/2 was originally a 16-bit operating system that was designed to work with 286 processors and first introduced in 1987.  Jointly developed by Microsoft and IBM to operate with Intel microprocessors.  OS/2 later became a graphical interface similar to Windows, but also supported a command line.  In fact, many OS/2 and DOS commands are the same.  The user interface is built up object-oriented.
  • 9. How to install  Boot screen of OS/2.
  • 10.  Setup of OS/2.
  • 13.  File system of OS/2.
  • 14.  Installing OS/2 from backup.
  • 17.  OS/2 setup and Installation.
  • 18.  Transferring files(system configuration) to HDD.
  • 20.  Operating system/2 booting screen with logo.
  • 22.  View of OS/2 desktop.
  • 23.  OS/2 graphical user interface
  • 24. Supported application  OS/2 is open source software.  It supports various applications which are list below.  Text editors: Extended Editor, ZED.  Graphics players: Animation player, Panorama Tools, Show3D.  Internet apps: NetChat, MailRun.  Browsers: Qbrows, QtWeb, Surfer.  Calculator: Octave, ccalc.  Screensaver: Blackout:  "Blackout" is a completely FREE screen saver for OS/2 versions 2.0.  Spreadsheet: Spreadsheet Calculator.
  • 25.  Spell checker: Ispell.  Voice: Backtalk:  Backtalk is free Speech System for OS/2.  Games: Alien Blaster, Doom for OS/2.  Radio: FM Radio.  Audio player: os2sound.  Video: DCITU:  Digital Camera Image Transfer Utility application for OS/2 and eComStation.  QuickMotion:  Quickmotion for OS/2. MMOS/2 CODECS for Apple formats.  Antivirus: ClamAV.
  • 26. OS/2 features  Low System Requirements:  OS/2 can run on any 386 or higher system with at least 8Mb of RAM and 200Mb of hard drive space.  Ability to run More applications:  Because of OS/2's backwards compatibility you can run more applications on OS/2 today than any other PC OS.  Full Pre-emptive Multitasking:  OS/2 controls how much processor time each program gets. This means that users won't have to worry about a "resource hog" tying up the system, and they can continue doing their work.  Users can also select exactly how much processor time they want to allocate to each program.
  • 27.  Memory Virtualization:  Because of OS/2's excellent memory virtualization users can run applications that they normally would not be able to because of memory restrictions.  As an example, users can run applications that would normally use up 32Mbs of RAM on a 16Mb system.  Crash Protection:  OS/2 protects each program in it's own "virtual machine".  If the system does crash, chances are that the user will be able to recover some or all of their data.  High Performance File System:  OS/2's file system is called HPFS . HPFS uses disk space more efficiently.  Device Driver Support:  IBM now includes a CD devoted to device drivers with OS/2 and is continuously supporting manufacturers in ensuring that new hardware has OS/2 drivers.
  • 28.  Complete Networking Support:  OS/2 has support for all industry standard networking protocols.
  • 29. OS/2 version Version Release date Comments OS/2 1.0 (Codename: CP/DOS) December 1987  Joint IBM-Microsoft development  16-bit protected mode OS  Required 80286, about 1.5MB RAM  Supported max 32MB partitions  Text mode interface only  Single DOS box support  FAT file system only OS/2 1.1 (Codename: Trimaran) November 1988  Added graphical user interface - the Presentation Manager  Support for larger than 32MB partitions OS/2 1.2 (Codename: Sloop) October 1989  Installable File System Support (IFS)  HPFS included  Revamped Presentation Manager  Dual Boot capability  Included REXX and IPF
  • 30. Version Release date Comments OS/2 1.3 (Codename: Cutter) December 1990  Extensive performance tuning  Lowered resource requirements (2MB RAM minimum)  Support for ATM fonts  Developed by IBM without Microsoft's involvement OS/2 2.0 (Codename: Cruiser) April 1992  32-bit OS  Required 80386SX, 4MB RAM  Multiple DOS boxes  Win-OS/2 support  System Object Model (SOM support)  Workplace Shell (WPS) based on SOM used as GUI  Boot Manager OS/2 2.1 (Codename: Borg) May 1993  32-bit Graphics Engine (GRE)  More CD-ROM and SCSI drivers  APM and PCMCIA support  MMPM/2 included  Win-OS/2 based on Windows 3.1 OS/2 for Windows (Codename: Ferengi) November 1993  No Win-OS/2 - used pre-existing Windows 3.1 instead  New drivers for S3 based cards
  • 31. Version Release date Comments OS/2 2.11 February 1994  Also available as Service Pack XR06200 for OS/2 2.1  Primarily bug fixes OS/2 2.11 SMP June 1994  Symmetric Multiprocessing (SMP) support  Support for up to 16 CPUs OS/2 Warp 3.0 (Codename: Warp) October 1994  Performance tuning, lower resource requirements  Compatible with Windows 3.11  Included Bonus Pack  More drivers for many device types  Many WPS modifications OS/2 Warp Connect May 1995  Included full networking support in base OS  Peer to peer functionality OS/2 Warp 4.0 (Codename: Merlin) September 1996  Included Java 1.01 runtime and JDK  Voice Type support
  • 32. IBM products that used OS/2 Product Nature of Product How was OS/2 used? IBM 3494 Tape Library Used as the operating system for the Library Manager (LM) that controlled the tape accessory (robot). IBM 3745 Communications Controller Used as the operating system for the Service Processor (SP) and if installed, the Network Node Processor (NNP). IBM 473x ATM Used in a range of Automatic Teller Machines manufactured by IBM. Was also used in later 478x ATMs manufactured with Diebold.
  • 34. Why OS/2 failed  The creators of OS/2 had great plans and expectations. Twenty years later, it is clear that OS/2 largely failed.  There is no single reason for this failure.  Microsoft tried to claim all credit for OS/2 (MS OS/2 products for example do not include IBM copyright messages, while IBM versions have both IBM and MS copyright notices) which irked IBM.  There was also a culture clash between IBM and Microsoft. IBM had an established and highly formalized development process, while Microsoft was a company of hackers always ready to go for an ad-hoc solution.  IBM programmers could not understand how anyone could write code without proper design documents and thorough testing. Microsoft programmers could not understand how anyone could waste so much time on paperwork when they should be writing code instead.
  • 35.  Some say that it was a mistake to develop for 286 and OS/2 should have been developed for the 386 from the beginning. It is questionable whether this would have been beneficial or not. On the one hand, the 286 architecture was highly problematic when DOS compatibility was desired. On the other hand, OS/2 was released at a time (1987) 386 based machines were very rare.
  • 36. OS/2 support ended by IBM in 2013