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*******************************************************************************
* WinNull *
* ReadMe *
* *
*******************************************************************************
Introduction
WinNull is intented to be used with IBM OS/2 2.x Win-OS/2 shared session
support. WinNull is used to preload a Win-OS/2 shared session so that
subsequent seamless Windows applications load quickly without having to
pay the penalty of loading Win-OS/2 support. Since WinNull is very small,
starts minimized, and puts itself in a wait state, it has no impact to your
desktop screen and little CPU contention. The only overhead incurred is the
RAM used by the Win-OS/2 code segments, and the CPU used for Windows message
queue processing.
Installation
1. Copy WinNull.exe to the directory of your choice, e.g., c:\os2\mdos\winos2.
2. Create a program object for WinNull in your folder of choice, e.g,
Command Prompts in your OS/2 System folder. Fill in "Path and filename" in
the Settings Notebook, e.g., C:\OS2\MDOS\WINOS2\WINNULL.EXE .
3. Select "WIN-OS/2 window" in the Session page of the Settings Notebook.
(Do not select "Separate Session".)
4. Select the "WIN-OS/2 settings" push button and then set all the Win-OS/2
settings (properties) you want to apply to all your Windows programs
running in this shared session. See the note below for sample settings.
5. Select "Hide window" and "Display existing window" in the "Window" page
of the Settings Notebook. Close the the Settings Notebook.
6. If you want to start WinNull at OS/2 startup time, then open the Startup
folder in the OS/2 System folder and create a shadow object of WinNull
in the Startup folder.
Notes
1. WinNull will only be started as window shared session if started as
program object, i.e., double-clicking on the WinNull icon or from the
Startup folder. Starting WinNull from the OS/2 command line starts
a WIN-OS/2 full screen session.
2. You can stop WinNull from the OS/2 Window List. If you terminate WinNull
before closing the other Windows applications in that session, OS/2 may
sometimes leave WIN-OS/2 active as a detacted process. Therefore, it is
recommended that WinNull be the last shared session program you terminate.
The only exeception is the Program Manager; closing it will always
terminate the shared session.
3. Sample WIN-OS/2 Settings:
WIN_RUN_MODE 3.1 Enhanced Compatibility
WIN_DDE OFF
WIN_CLIPBOARD OFF
COM_DIRECT_ACCESS OFF
COM_HOLD ON
COM_RECEIVE_BUFFER_FLUSH (Default: none):
COM_SELECT (Default: ALL):
DOS_AUTOEXEC (Default: C:\AUTOEXEC.BAT)
DOS_BACKGROUND_EXECUTION ON
DOS_BREAK (Default: off):
DOS_DEVICE (Default: empty):
DOS_FCBS (Default: 16):
DOS_FCBS_KEEP (Default: 8):
DOS_FILES (Default: 20):
DOS_HIGH (Default: off):
DOS_LASTDRIVE (Default 'Z'):
DOS_RMSIZE (Default: 640):
DOS_SHELL (Default: C:\OS2\MDOS\COM
DOS_STARTUP_DRIVE (Default: C:\OS2\MDOS\ /P)
DOS_UMB (Default: off):
DOS_VERSION (Default: DCJSS02...)
DPMI_DOS_API ON
DPMI_MEMORY_LIMIT (Default: 4):
DPMI_NETWORK_BUFF_SIZE (Default: 8):
EMS_FRAME_LOCATION (Default: AUTO):
EMS_HIGH_OS_MAP_REGION (Default: 32):
EMS_LOW_OS_MAP_REGION (Default: 384):
EMS_MEMORY_LIMIT (Default: 2048):
HW_NOSOUND (Default: off):
HW_ROM_TO_RAM ON
HW_TIMER (Default: off):
IDLE_SECONDS 50
IDLE_SENSITIVITY (Default: 75):
INT_DURING_IO (Default: off):
KBD_ALTHOME_BYPASS (Default: off):
KBD_BUFFER_EXTEND (Default: on):
KBD_CTRL_BYPASS (Default: none):
KBD_RATE_LOCK (Default: off):
MEM_EXCLUDE_REGIONS (Default: empty):
MEM_INCLUDE_REGIONS (Default: empty):
MOUSE_EXCLUSIVE_ACCESS (Default: off):
PRINT_SEPARATE_OUTPUT (Default: on):
PRINT_TIMEOUT (Default: 15):
VIDEO_8514A_XGA_IOTRAP OFF
VIDEO_FASTPASTE (Default: off):
VIDEO_MODE_RESTRICTION (Default: none):
VIDEO_ONDEMAND_MEMORY (Default: on):
VIDEO_RETRACE_EMULATION OFF
VIDEO_ROM_EMULATION (Default: on):
VIDEO_SWITCH_NOTIFICATION ON
VIDEO_WINDOW_REFRESH (Default: 1):
XMS_HANDLES (Default: 32):
XMS_MEMORY_LIMIT (Default: 2048):
XMS_MINIMUM_HMA (Default: 0):
4. For more information refer to the book "Using the Operating System" that
came with your OS/2 package.
*******************************************************************************
* Jose Hoard *
* (919)-387-7387 *
* Prodigy ID: SSJC21A *
*******************************************************************************