FEATURE OS/2 Warp Windows 95 32-bit Window Management Yes No (1) 32-bit Graphics Subsystem Yes No (2) 32-bit Printing Subsystem Yes Yes 32-bit Multimedia Subsystem Yes Yes 32-bit Kernel Yes Yes Demand Paged Virtual Memory Yes Yes HPFS Support Yes No Non-locking Input Queue (3) Yes No (Applications can keep running) (1) USER is 16-bit, non-reentrant code (2) 50% of GDI calls are serviced by 16-bit, non-reentrant code (3) OS/2 Warp, new version of OS/2, has an engine that will unlock the input queue if it is locked
FEATURE OS/2 Warp Windows 95 16-bit OS/2 PM Applications Yes No 32-bit OS/2 PM Applications Yes No Win32s Applications (Ver 1.0 & 1.1) Yes Yes Preemptive Multitasking (4) Yes No Win16 Application Support Yes Yes Win16 Device Driver Support Yes Some (5) Number of 32-bit Applications 2000+ 0 (6) Available (4) See chart on multitasking comparison (5) Windows 3.x communications drivers need to be re-written (6) Native Windows 95 applications
FEATURE OS/2 Warp Windows 95 Preemptive of 32-bit Os/2 and Win32s Yes No Version 1.1 applications Preemptive of DOS Applications Yes Yes Preemptive of Win16 Applications Yes No Preemptive of mixed 16/32-bit Yes No (7) Applications Multiple, Protected Win16 VDMs Yes No (8) Crash Protection Yes No (9) Preemptive Multi-threading Yes Yes (7) 16 & 32 Bit OS/2, Win16, and Win32S V1.1 applications (8) WinMUTEX prohibits access to USER and portions of GDI when a Win16 application is executing (9) All 16-bit applications share a single address space - the System Virtual Machine (VM) (10) Key operating system code structures (USER and GDI) share the System VM address space with 16-bit applications
FEATURE OS/2 Warp Windows 95 Folder Work Areas Yes No Integration with operating SOM Yes No (10) Launch Pad Yes Yes Drag & Drop Deletion Yes No Drag & Drop Faxing Yes Yes Drag & Drop Access Paths (change Yes No execution paths it will still work) Object Type Templates Yes No Parent Folder Closing Options Yes No (10) Windows 95 shell components are not OLE 2.01 objects"
FEATURE OS/2 Warp Windows 95 Image Viewer Yes No Photo CD Support Yes No Autodesk Animation Yes No Play any Audio File from Internet Yes No Audio/Video Synch Manager Yes No MPEG Support Yes Yes 32-bit Audio/Video Playback Yes Yes
FEATURE OS/2 Warp Windows 95 Internet Access Tools Yes No FTP Yes No Telnet Yes No Gopher Yes No Newsreader Yes No WEB Explorer Yes No CompuServe Front-End Yes No Word Processor Yes No (11) Spreadsheet Yes No Database Yes No Charting Yes No Report Writer Yes No Electronic Mail Yes Yes Image Viewer Yes No FAX Yes Yes Phonebook Yes No Personal Information Mgr Yes No Sys Info Yes No VideoIn Yes No Video Conferencing Yes No (11) Windows 95 comes with a simple text editor, not a word processor
King, Adrain, "Memory Management, the Win32(R)Subsystem, and Internal Synchronization in Chicago",Microsoft Systems Journal,May 1994,pp. 57-61.
Pietrek, Matt, "Stepping Up to 32 Bits:Chicago's Process, Thread and Memory Management",Microsoft Systems Journal, September 1994,pp. 27-41.
Pietrek, Matt, "Investingating the Hybrid Windowing and Messaging Architecture of Chicago", Microsoft Systems Journal, September 1994,pp. 15-30.
Pietrek, Matt,"Which Win32 is For You". PC Magazine. September 1994
Notice: The information contained in this document represents the current view of IBM Corporation on the issues discussed at the date of publication. Because IBM must respond to changing market conditions, it should not be interpreted to be a commitment on the part of IBM. (All information, claims, references, and comparisons relating to Windows 95 in this document are based upon non-confidential information currently available as of the date of publication.) This document is for informational purposes only. IBM makes NO WARRANTIES, EXPRESSED OR IMPLIED, IN THIS SUMMARY.
1994 IBM Corporation. All Rights Reserved.
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