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[[The Config.sys Documentation Project|Return to The Config.sys Documentation Project Main Page]]
{{CFGProject}}
 
Environment variables are stored by OS/2 in memory and can be called by any program. They are used by many programs to store information (for example, the install path) or some configuration information. If you want to see a list of all installed environment variables and their values, type "Set" in an OS/2 window. If the list is too long, you can redirect the screen output to a file, simply type this:  
Environment variables are stored by OS/2 in memory and can be called by any program. They are used by many programs to store information (for example, the install path) or some configuration information. If you want to see a list of all installed environment variables and their values, type "Set" in an OS/2 window. If the list is too long, you can redirect the screen output to a file, simply type this:  
  SET >output.txt
  SET >output.txt
Line 7: Line 6:
Note that SET commands in CONFIG.SYS behave differently than when entered on the command line.
Note that SET commands in CONFIG.SYS behave differently than when entered on the command line.


So, when you issue the following comands in a OS/2 session:
So, when you issue the following commands in a OS/2 session:
  SET TEMP=C:\TMP
  SET TEMP=C:\TMP
  SET TMP=%TEMP%
  SET TMP=%TEMP%
Line 13: Line 12:
  TEMP=C:\TMP
  TEMP=C:\TMP
  TMP=C:\TMP
  TMP=C:\TMP
But, if you add the same lines to CONFIG.SYS:
But, if you add the same lines to CONFIG.SYS:
  SET TEMP=C:\TMP  
  SET TEMP=C:\TMP  
Line 20: Line 18:
  TEMP=C:\TMP
  TEMP=C:\TMP
  TMP=%TEMP%
  TMP=%TEMP%
but not TMP=C:\TMP. The enviroment variable TMP now has the value composed by the letters "%", "T", "E", "M", "P", "%". For that reason, in CONFIG.SYS, you must write the values explicitly as follows:
but not TMP=C:\TMP. The environment variable TMP now has the value composed by the letters "%", "T", "E", "M", "P", "%". For that reason, in CONFIG.SYS, you must write the values explicitly as follows:
  SET TEMP=C:\TMP
  SET TEMP=C:\TMP
  SET TMP=C:\TMP
  SET TMP=C:\TMP
Line 27: Line 25:
==Base Operating System==
==Base Operating System==
*[[COMSPEC]]
*[[COMSPEC]]
*[[COPYFROMFLOPPY]]
*[[C1]]
*[[C1]]
*[[DELDIR]] - undelete directory
*[[DESKTOP]]
*[[DESKTOP]]
*[[DIRCMD]] - dir command options
*[[DIRCMD]] - dir command options
*[[DISPLAYTYPE]]
*[[DPATH (Environment variable)|DPATH]] - search path for data files
*[[DPATH (Environment variable)|DPATH]] - search path for data files
*[[ENH_STRETCH]] - enhanced stretch-blitting
*[[ENH_STRETCH]] - enhanced stretch-blitting
*[[ENH_SUSPEND]] - enhanced suspend option
*[[ENH_SUSPEND]] - enhanced suspend option
*[[GRADD_CHAINS]]
*[[GREEXT]]
*[[KEYS]] - command line history
*[[LANG]] - country-specific settings
*[[OBJECTSNOOZETIME]]
*[[OS2_SHELL]] - command line shell
*[[OS2_SHELL]] - command line shell
*[[PATH]] - search path for executable files
*[[PATH]] - search path for executable files
*[[PROMPT (Environment variable)|PROMPT]] - OS/2 session prompt appearance.
*[[RUNWORKPLACE]]
*[[ULSPATH]]
*[[VIDEO_DEVICES]]
*[[VIO_MGA]]
*[[VIO_SVGA]]


===PM===
===PM===
* [[BACKGROUNDBITMAP]]
*[[BACKGROUNDBITMAP]]
* [[BACKGROUNDBITMAP2]]
*[[BACKGROUNDBITMAP2]]
* [[BACKGROUNDBITMAPDELAY]]
*[[BACKGROUNDBITMAPDELAY]]
* [[BACKGROUNDBITMAPDELAY2]]
*[[BACKGROUNDBITMAPDELAY2]]
*[[DEVICEFONTDISABLED]]
*[[HARDWAREBITBLT]]
*[[NCDEBUG]]
*[[PM_ASYNC_FOCUS_CHANGE]]
*[[PM_DYNAMIC_DRAG]]
*[[PM_ROLLUP_BUTTON]]
*[[QUEUE_SIZE_THRESHOLD]]
*[[SYSTEM_INI]] - Tells the system the path and name of the System INI file.
*[[USER_INI]]
*[[VCFG_NO_DDC]] - GRADD DDC


===Help Manager===
===Help Manager===
*[[BOOKSHELF]] - help manager search path for book shelves
*[[BOOKSHELF]] - help manager search path for book shelves
*[[CPREF]]
*[[GLOSSARY]]
*[[GLOSSARY]]
*[[GPIREF]]
*[[HELP (Environment variable)|HELP]]
*[[WPSREF]]
*[[HELPNDX]] - Help index


===Workplace Shell===
===Workplace Shell===
*[[AUTOREFRESHFOLDERS]] - automatic refresh of folders
*[[AUTOREFRESHFOLDERS]] - automatic refresh of folders
*[[AUTOSTART]] - autostart of objects
*[[AUTOSTART]] - autostart of objects
*[[MENUSTYLE]] - context menu entries
*[[NEWNOTEBOOKS]]
*[[NOLARGENTEXEICON]]
*[[RESTARTOBJECTS]]
*[[SHAPIEXCEPTIONHANDLER]]
*[[SHELLEXCEPTIONHANDLER]] - Disable the WPS exception handler.
*[[SHELLHANDLESINC]] - Increases the number of file handles.
*[[SHOWEXTENDEDPOWERMENU]] - Intel SpeedStep
*SOMDDIR
*[[SOMIR]]
*[[WPDSERVERSTART]]


===SOM===
;WarpCenter
OS/2 SOM Set Statements.
*[[MENUSFOLLOWPOINTER]] - WarpCenter menu behaviour
* [[AVLSVRNAME]]
*[[SCCANBENUKED]] - Allows the Warpcenter to have a delete option on its context menu.
* [[SOMBASE]]
*[[SCFINDUTILITY]] - Use a different search program in the Warpcenter.
* [[SOMDDEBUG]]
*[[SCKILLCONFIRMDISABLED]] - Avoid the "Are you sure ..." dialogue if using the Warpcenter kill feature.
* [[SOMDIR]]
*[[SCKILLFEATUREENABLED]] -  Enables Warpcenter window list Warpcenter Window List as an application killer.
* [[SOMDMESSAGELOG]]
*[[SCUSEPRETTYCLOCK]] - Change the look of the Warpcenter clock.
* [[SOMDPORT]]
* [[SOMDTIMEOUT]]
* [[SOMIR]]
* [[SOMRUNTIME]]
* [[SOMSOCKETS]]
* [[SOMTHREADPEER]]


==Programming Environments==
===Multimedia===
===Java Run-time===
*[[DSPPATH]]
*[[CLASSPATH]] - Java run-time classpath
*[[MMBASE]]
*[[MMSTREAM]]
*[[MMTYPESEXTS]]
*[[MMVWRLOG]]
*[[MMWPSLOG]]
*[[MMYIELD]]


==Networking==
===Installation===
===LAPS===
*[[CDROMINST]]
* [[ADAPTER_NIF]]
*[[COPYFROMFLOPPY]]
* [[DLSINI]]
*[[SAVECONNECT]]
* [[DSPPATH]]
*[[SOURCEPATH]]
* [[ETC]]
* [[GREEXT]]
* [[HARDWAREBITBLT]]
* [[HOME]]
* [[HOSTNAME]]
* [[I18NDIR]]


==Global Security Runtime==
==Layered Products==
* [[IKEYMAN_HOME]]
===Programming Environments===
* [[IKEYMAN40_HOME]]
;Toolkit
* [[IKEYMAN50_HOME]]
*[[CPREF]] - Control Program Reference
 
*[[GPIREF]] - GPI Reference
*[[INIT_FILE_NAMES]]
*[[INCLUDE]] - Include directory
*[[INIT_FILE_RANGES]]
*[[IPF_KEYS]] - IPF key definitions
*[[IPFC]]
*[[IPFC]] - IPF compiler
*[[INCLUDE]] - Include directory to compilers.
*[[INFOPATH]] - Info files stored.
*[[IPF_KEYS]] - IPF key definitions.
*[[KEYS]] - command line history.
*[[LANG]] - country-specific settings.
*[[LANINSTEP]]
*[[LIB]] - Points to directories where lib files are stored.
*[[LIB]] - Points to directories where lib files are stored.
*[[LIBC_HOOK_DLLS]]
*[[MMREF]] - Defines which files should be shown in the Multimedia Programming Reference.
*[[LIBRARY_PATH]] - EMX library path
*[[PMREF]] - Presentation Manager Reference
*[[LOCPATH]] - Points to teh location of the language files.  
*[[WPSREF]] - Workplace Shell Reference
*[[LOGFILES]]
*[[LOGNAME]]
*[[LOTUS_CLS]] - Lotus SmartSuite search path
*[[MGA]] - Matrox graphic cards directory
*[[MANPATH]]
*[[MENUSTYLE]] - context menu entries
*[[MENUSFOLLOWPOINTER]] - WarpCenter menu behavior
*[[MFSCACHE]] - mobile file sync


==MM...==
;SOM
* [[MMBASE]]
*[[SMADDSTAR]]
* [[MMSTREAM]]
*[[SMCLASSES]]
* [[MMREF]] - Defines which files should be shown in the Multimedia Programming Reference.
*[[SMEMIT]]
* [[MMTYPESEXTS]]
*[[SMINCLUDE]] - Defines the directories where the special SOM header files are stored.
* [[MMVWRLOG]]
*[[SMNOTC]]
* [[MMWPSLOG]]
*[[SMTMP]] - Points to a directory used to store temporary files.
* [[MMYIELD]]


*[[NCDEBUG]]
;SOMobjects
*[[AVLSVRNAME]]
*[[SOMBASE]]
*[[SOMDDEBUG]]
*[[SOMDIR]]
*[[SOMDMESSAGELOG]]
*[[SOMDPORT]]
*[[SOMDTIMEOUT]]
*[[SOMRUNTIME]]
*[[SOMSOCKETS]]
*[[SOMTHREADPEER]]


* [[NETVIEW_PATH]]  - Defines the path where the SystemView client is installed.
;Java Run-time
 
*[[CLASSPATH]] - Java run-time classpath
===NEWNOTEBOOKS===
Enables the new notebooks for applications written prior to WARP 4. This setting worked in the MERLIN Beta, but seems to be disabled in Warp 4 GA. (WARP 4 only!)
SET NEWNOTEBOOKS=ON
 
Parameters: "ON"
 
===NlsPath===
This variable is used somewhere with the National language support for the network and internet applications coming with OS/2.
SET Nlspath=E:\MPTN\MSG\NLS\%N;e:\tcpip\msg\dede850\%N;
 
===NntpServer===
This is used by the Newsserver Changi.
SET NntpServer=value
 
Parameters:
 
===NSPR_OS2_NO_HIRES_TIMER===
This is used by Mozilla applications. This causes that Mozilla will not use the OS/2's high resolution timer.
SET NSPR_OS2_NO_HIRES_TIMER=1
Set this if other applications using the high resolution timer (multimedia apps) act strangely.
;Parameters:1
 
===NOLARGENTEXEICON===
Defines the amount of megabytes OS/2 scans in large Windows files for showing the icon. May be added for shortening the time until the WPS displays folders containing windows files
SET NOLARGENTEXEICON=<n>
ex: SET NOLARGENTEXEICON=1
Parameters
*<n> = In MBytes
 
'''Platform Support:'''
{| class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|No
|?
|Yes
|Yes
|}
 
===Nwdbpath===
This line is used by the File and Print Client.
SET NwdbPath=path
;Parameters:Path can be any full path.
 
* [[OBJECTSNOOZETIME]]
 
==PM_==
====PM_ASYNC_FOCUS_CHANGE====
* [[PM ASYNC FOCUS CHANGE]]
* [[PM_DYNAMIC_DRAG]]
* [[PM_ROLLUP_BUTTON]]
* [[PMREF]]
 
===PROGRAMS===
Define the path for program installation in eComStation 1.1.
SET PROGRAMS=<path>
 
Example
SET PROGRAMS=C:\PROGRAMS
 
*[[PROMPT (Environment variable)|PROMPT]] - OS/2 session prompt appearance
 
===PSIDATADIR===
Set Statement for the PSI jabber client program. This statement allow to change the default profile path to other one.
SET PSIDATADIR=<path>
 
Value can be any full path.
 
===PNHOSTNAME===
Pronews use the value of this variable as the hostname in the message-ID in outgoing news articles.
SET PNHOSTNAME=myprovider.net
 
Value can be any full path . Relative paths are not allowed.
 
===QT_PM_NO_DIVE===
This statement is used by the QT library. It has been reported to help with some screen redraw problems.
SET QT_PM_NO_DIVE=1
 
; Parameter: Value can be 1 or 0. It defines 1=On, 0=Off.
 
'''Platform Support:'''
{|class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|?
|?
|Yes
|Yes
|}
 
===QUEUE_SIZE_THRESHOLD===
Controls the size of the OS/2-Message-Queue.
SET QUEUE_SIZE_THRESHOLD=<value>
 
; Parameter:
Value defines the number of messages which can be together at one time in the message-queue.
Standard: 3000 messages, Warp 3 befor Fixpack 17: 100 messages.
 
Value can be any full path. Relative paths are not allowed.
 
===RESTARTOBJECTS===
This variable controls the restart of programs at start up.
SET RESTARTOBJECTS=parameter
 
;Default settings:
* SET RESTARTOBJECTS=YES
 
;Parameters:
* Yes - This enables restarting of all running programs. All running processes and all open folders at shutdown will be restarted at start up.
* No - The system starts no programs and opens no folders at start up.
* StartUpFoldersOnly - Only programs in the startup folder will be started.
* ReBootOnly -Restarts programs only after a normal reboot or power on.
 
Value can be any full path. Relative paths are not allowed.
 
===RUNWORKPLACE===
This variable defines the user interface program (the WPS).
SET RUNWORKPLACE=C:\OS2\PMSHELL.EXE
 
Parameters:
 
Value can be any shell with a full path.
Value can be any full path. Relative paths are not allowed.
 
'''ATSHELL''':
 
This variable change the user interface program to load at boot, and replace it with Atshell program.
SET RUNWORKPLACE=x:\path\ATSHELL.EXE
where x:\path is wherever ATSHELL.EXE is placed.
 
Parameters:
 
* /Q 
This causes the desktop shell to be launched immediately when ATSHELL  first starts up, without displaying the ATSHELL dialog.  (The ATSHELL dialog will appear, however, when/if you close the desktop shell program.)
* /S 
This enables a simple 'secure' mode.  When ATSHELL is started with this parameter, the command prompt and configuration options are disabled and inaccessible.  USE THIS OPTION WITH CAUTION -- if you don't have an alternative method of booting (such as boot diskettes or a maintenance partition), you won't have any way of changing the  configuration (or even removing ATSHELL from CONFIG.SYS), unless the desktop (or startup) program itself gives you access to a command  prompt.  Alternatively, you can use this in conjunction with the multi-user local logon feature of Security/2, by setting 'atshell /s' as the local shell for non-privileged users, and keeping the WPS (or something else) for the system administrator.
 
===SANE_CONFIG_DIR===
Describes the configuration directory path for the SANE program. Points to the installation directory of the OS/2 SANE driver (*.conf). Regard the use of slashes (/).
SET SANE_CONFIG_DIR=<path>
ex: SET SANE_CONFIG_DIR=C:\PROGRAMS\TAME\conf
 
===WarpCenter===
====SCCANBENUKED====
Allows the Warpcenter to have a delete option on its context menu.
SET SCCANBENUKED=value
or
SET CANBENUKED=value
 
Parameters:
 
Value can be ON or 1 or OFF or 0 .
If this parameter is not set it defaults to OFF
 
Value can be any full path . Relative paths are not allowed.
 
'''Platform Support:'''
{| class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|No
|No
|Yes
|Yes
|}
 
====SCFINDUTILITY====
With this entry you can use a different search program in the Warpcenter. By default, the Warpcenter starts a very slow program when you press this button Warpcenter Find Button In the \OS2\APPS directory is the fast find utility PMSeek.exe which you can use instead of the default program.
SET SCFINDUTILITY=<value>
or
SET FINDUTILITY=<value>
 
'''Parameters:'''
 
Value can be any program with a full path or object-id.
If this parameter is not set the default find utility is used.
 
'''Example:'''
SET SCFINDUTILITY=Programe_Name.exe
 
Platform Support:
{| class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|No
|No
|Yes
|Yes
|}
 
====SCKILLCONFIRMDISABLED====
Avoid the "Are you sure ..." dialog if using the Warpcenter kill feature. :Note. You must also have the SET SCKILLFEATUREENABLED variable installed.
 
  SET SCKILLCONFIRMDISABLED=value
or
  SET KILLCONFIRMDISABLED=value
 
'''Parameters:'''
 
Value can be ON or 1 or OFF or 0 .
If this parameter is not set it defaults to OFF
 
'''Example:'''
 
  SET SCKILLCONFIRMDISABLED=ON
 
Platform Support:
{| class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|No
|No
|Yes
|Yes
|}
 
====SCKILLFEATUREENABLED====
This entry enables you to use the Warpcenter window list Warpcenter Window List as an application killer. To kill an application you must hold down the key and click the left mouse button on the window list icon on the Warpcenter. A drop down menu appears and you can then select the process you want to kill. If you have selected a process, the system will ask you if you really want to kill the process.
SET SCKILLFEATUREENABLED=value
or
SET KILLFEATUREENABLED=value
 
'''Parameters:'''
 
Value can be ON , 1 , OFF or 0.
If this parameter is not set it defaults to OFF
 
Value can be any full path. Relative paths are not allowed.
 
'''Example'''
SET SCKILLFEATUREENABLED=ON
or
SET KILLFEATUREENABLED=ON
 
Platform Support:
{| class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|No
|No
|Yes
|Yes
|}
 
====SCUSEPRETTYCLOCK====
With this entry you can change the look of the Warpcenter clock to this: Warpcenter Clock.
It replaces the normal Warpcenter clock with one that has a digital display.
SET SCUSEPRETTYCLOCK=<value>
or
SET USEPRETTYCLOCK=<value>
 
;Example:
SET SCUSEPRETTYCLOCK=ON
 
;Parameters:
Value can be ON or 1 or OFF or 0.
If this parameter is not set the default clock is used.
 
Value can be any full path. Relative paths are not allowed.
 
'''Platform Support:'''
{|class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|No
|No
|Yes
|Yes
|}
 
===SDD===
These are the Set Statements used by the Scitech Software Display Doctor for OS/2.
 
====SDDFONTDPI====
This variable is used by the Scitech Software Display Doctor for OS/2. The Display Doctor is a universal driver for almost every graphiccard and currently in BETA test. Here can you change the logical Dots Per Inch (DPI) for matching the logical font point sizes to real pixel sizes.
 
SET SDDFONTDPI=<value>
 
; Parameters: Value can be 96 or 120. 96 DPI is usually used for small fonts and 120 DPI for large fonts.
If this variable is not set the default of 96 is used.
 
Value can be any full path. Relative paths are not allowed.
 
====SDDFONTSIZE====
This variable is used by the Scitech Software Display Doctor for OS/2. The Display Doctor is a universal driver for almost every graphiccard and currently in BETA test. Here can you choose small, medium or large fonts.
 
SET SDDFONTSIZE=<value>
 
; Parameters: Value can be small or medium or large.
If this variable is not set the default small fonts are used.
 
Value can be any full path. Relative paths are not allowed.
 
====SDDHRES====
This variable is used by the Scitech Software Display Doctor for OS/2. The Display Doctor is a
universal driver for almost every graphiccard and currently in BETA test. Here can you set up the horizontally Pels Per Meter (PPM), this is used to determine scaling between pixels and millimeter on the screen.
SET SDDHRES=<value>
 
Parameters:
 
Value can be pels per meter.
If this variable is not set the SDD will compute the best value of this setting for you. Usually it is not needed to set this variable.
 
Value can be any full path. Relative paths are not allowed.
 
====SDDICONS====
This variable is used by the Scitech Software Display Doctor for OS/2. The Display Doctor is a universal driver for almost every graphiccard. With this environment variable can you change the Icon size on the desktop.
 
SET SDDICONS=<value>
 
Parameters:
 
Value can be small or large.
Small icons are 32x32 pixels and large icons are 40x40 pixels.
If this variable is not set the default small icons are used.
 
Value can be any full path. Relative paths are not allowed.
 
====SDDVRES====
This variable is used by the Scitech Software Display Doctor for OS/2. The Display Doctor is a universal driver. Here can you set up the vertically Pels Per Meter (PPM), this is used to determine scaling between pixels and millimeter on the screen.
 
SET SDDVRES=<value>
 
Parameters:
 
Value can be pels per meter.
If this variable is not set the SDD will compute the best value of this setting for you. Usually it is not needed to set this variable.
 
Value can be any full path. Relative paths are not allowed.
 
===SHAPIEXCEPTIONHANDLER=OFF===
Disable the WPS API exception handler.
SET SHAPIEXCEPTIONHANDLER=OFF
 
Note: This directive seems to be an environment variable in WARP 3 with Fixpack #36 and WARP 4 with Fixpack #5. This means that you have to use the format "SET SHAPIEXCEPTIONHANDLER=OFF". On older releases it had to be only "SHAPIEXCEPTIONHANDLER=OFF"
 
Platform Support:
{| class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|
|*
|*
|Yes
|}
 
===SHELLEXCEPTIONHANDLER=OFF===
Disable the WPS exception handler.
SET SHELLEXCEPTIONHANDLER=OFF 
 
Note: This directive seems to be an environment variable in WARP 3 with Fixpack #36 and WARP 4 with Fixpack #5. This means that you have to use the format "SET SHELLEXCEPTIONHANDLER=OFF ". On older releases it had to be only "SHELLEXCEPTIONHANDLER=OFF"
 
<b>Platform Support:</b>
{| class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|
|*
|*
|Yes
|}
 
===ShellHandlesINC===
Increases the number of file handles.
SET ShellHandlesINC=Value
 
Parameter:
 
Value is the number of handles by which the standard number of handles per shell process are increased. With a standard of 30 handles and SET ShellHandlesINC=20, 50 file handles (30 + 20) are available to each shell process.
 
Value can be any integer between 0 and approximately 255, but highly dependent upon available memory.
 
This setting is only available beginning with Warp 4 Fixpack #6.
 
Platform Support:
{| class="wikitable"
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|
|
|FP6+
|Yes
|}
 
===OS/2 SOM===
====SMADDSTAR====
SET SMADDSTAR=1
 
====SMCLASSES====
SET SMCLASSES=Wptypes.idl
 
====SMEMIT====
SET SMEMIT=H;IH;C
 
====SMINCLUDE====
Defines the directories where the special SOM header files are stored.
SET SMINCLUDE=Paths
;Parameters:Paths can be any full path or any relative path. If you use more than one path, the paths must be delimited by a semicolon.
 
====SMNOTC====
SET SMNOTC=1
 
====SMTMP====
Points to a directory used to store temporary files.
SET SMTMP=<path>
;Parameters:Path can be any full path.
 
===SMG_Path===
This is used by the IBM AO-Manager.
SET SMG_Path=Path
 
Value can be any full path. Relative paths are not allowed.
 
====SMG_Pl2Nlg====
This is used by the IBM AO-Manager.
 
Value can be any full path. Relative paths are not allowed.
 
*[[SOURCEPATH]]
 
*[[SRVNAME1]] - Used for remote installations of OS/2.
*[[SWING_HOME]] - Swing run-time
*[[SWING_HOME]] - Swing run-time


===SYSTEM_INI===
===Networking===
Tells the system the path and name of the System INI file. This file contains a lot of system related settings. Be careful, this is a critical system file!
;LAPS
SET SYSTEM_INI=C:\OS2\OS2SYS.INI
*[[ADAPTER_NIF]]
*[[ETC]]


Default settings:
;LAN Services
* SET SYSTEM_INI=C:\OS2\OS2SYS.INI
*[[DLSINI]]
*[[INIT_FILE_NAMES]]
*[[INIT_FILE_RANGES]]
*[[LANINSTEP]]
*[[LOCPATH]] - Points to the location of the language files.
*[[NWDBPATH]]
*[[WPS_COMMUNICATION]]


'''Parameters:'''
;TCP/IP
*[[HOME]]
*[[HOSTNAME]]
*[[I18NDIR]]
*[[NLSPATH]]
*[[NSPR_OS2_NO_HIRES_TIMER]]
*[[TCPLANG]] - Sets the language for TCP/IP V4.x.
*[[TELNET.PASSWORD.ID]] - Sets a password for the telnet daemon (Telnetd).
*[[TZ]] - Timezone information.
*[[USE_HOSTS_FIRST]] - resolver


Value can be any path to a valid System INI file.
;MFS
Value can be any full path. Relative paths are not allowed.
*[[MFSCACHE]] - mobile file sync


===TCPLANG===
;Global Security Runtime
Sets the Language for TCP/IP V4.x.
*[[IKEYMAN_HOME]]
SET TCPLANG=<xx_XX>
*[[IKEYMAN40_HOME]]
ex: SET TCPLANG=EN_US
*[[IKEYMAN50_HOME]]


'''Platform Support:'''
*[[LOGNAME]]
{|class="wikitable"
*[[MGA]] - Matrox graphic cards directory
|-
!OS/2 2.x
!OS/2 3.0
!OS/2 4.0
!OS/2 4.5x
|-
|No
|Yes
|Yes
|Yes
|}
 
* [[TELNET.PASSWORD.ID]] - Sets a password for the telnet daemon (Telnetd).
 
===TEMP===
Here you can define a directory were OS/2 and programs can store temporarily files. It is a god idea to use the same directory as used in SET Tmp. Check the directory time by time to see if there are temporally file that you can delete, because some applications forget to delete their temporally files.
SET TEMP=<path>
 
ex: SET TEMP=C:\var\temp
 
Value can be any full path. Relative paths are not allowed.


===TIMESYNC===
*[[NETVIEW_PATH]] - Defines the path where the SystemView client is installed.
New with eCS 1.1
SET TIMESYNC=<parameter>


ex: SET TIMESYNC=0
*[[SRVNAME1]] - Used for remote installations of OS/2.


===TMP===
*[[TEMP]] - Define a directory were OS/2 and programs can store temporarily files.
Here you can define a directory were OS/2 and programs can store temporarily files. It is a god idea to use the same directory as used in SET Temp. Check the directory time by time to see if there are temporally file that you can delete, because some applications forget to delete their temporally files.
*[[TMP]] - Define a directory were OS/2 and programs can store temporarily files.
SET TMP=C:\Temp
Value can be any full path. Relative paths are not allowed.
 
===TMPDIR===
Here you can define a directory were OS/2 and programs can store temporarily files. It is a god idea to use the same directory as used in SET TEMP. Check the directory time by time to see if there are temporally file that you can delete, because some applications forget to delete their temporally files.
SET TMPDIR=<path>
Example:
SET TMPDIR=C:\var\temp
Value can be any full path. Relative paths are not allowed.
 
*[[TZ]] - timezone information
 
===ULSPATH===
Defines the path to the Unicode languages files.
SET ULSPATH=<path>
Example:
SET ULSPATH=C:\Language
Value can be any full path. Relative paths are not allowed.
 
===USE_HOSTS_FIRST===
If USE_HOSTS_FIRST is set up, TCP/IP will first look in the local file ..\Etc\Hosts for the dotted IP address for a specific Hostname on the internet.
 
Let me explain - Whenever you connect to the internet and you access a host (for example http://www.netlabs.org), your browser must know the dotted IP address (for example 195.65.67.48) for the host. So the browser contact a Domain name Server (DNS) and ask for the IP address. This takes some time, to speed up internet connection you can define in the Hosts file the hostnames and the IP addresses.
 
OS/2 will only use Hosts file if USE_HOSTS_FIRST is set to 1. You can define all kind of hosts www-server, mail-server, news-server, ftp-server or whatever else. To get the IP address for a host type "host" and the hostname in an OS/2 window. The actual Path for the host file is defined by the ETC environment variable.
SET USE_HOSTS_FIRST=1
Value can be any full path. Relative paths are not allowed.
 
*[[USER]]
*[[USER_INI]]
*[[VCFG_NO_DDC]]


===VIO===
* [[VIO_MGA]]
* [[VIO_SVGA]]


* [[VIDEO_DEVICES]]
Check also [[CONFIG.SYS - SET Statements (Additional software)]].
* [[WPS_COMMUNICATION]]


[[Category: The Config.sys Documentation Project]]
[[Category: The Config.sys Documentation Project]]

Latest revision as of 00:59, 23 February 2020

The Config.sys Documentation Project
  1. BASEDEV Statements
  2. CALL Statements
  3. DEVICE Statements
  4. IFS Statements
  5. OS/2 Commands
  6. DOS Commands
  7. RUN Statements
  8. SET Statements
  9. PSD Statements
  10. Other Information
  1. Programs
  2. Hardware
  3. List of Statements

Environment variables are stored by OS/2 in memory and can be called by any program. They are used by many programs to store information (for example, the install path) or some configuration information. If you want to see a list of all installed environment variables and their values, type "Set" in an OS/2 window. If the list is too long, you can redirect the screen output to a file, simply type this: 

SET >output.txt

General Tips

Note that SET commands in CONFIG.SYS behave differently than when entered on the command line.

So, when you issue the following commands in a OS/2 session: 

SET TEMP=C:\TMP
SET TMP=%TEMP%

you get: 

TEMP=C:\TMP
TMP=C:\TMP

But, if you add the same lines to CONFIG.SYS: 

SET TEMP=C:\TMP 
SET TMP=%TEMP%

you get: 

TEMP=C:\TMP
TMP=%TEMP%

but not TMP=C:\TMP. The environment variable TMP now has the value composed by the letters "%", "T", "E", "M", "P", "%". For that reason, in CONFIG.SYS, you must write the values explicitly as follows: 

SET TEMP=C:\TMP
SET TMP=C:\TMP

This is because variables are not expanded during CONFIG.SYS processing, but they are when run from a shell (command line).

Base Operating System

PM

Help Manager

Workplace Shell

WarpCenter

Multimedia

Installation

Layered Products

Programming Environments

Toolkit
  • CPREF - Control Program Reference
  • GPIREF - GPI Reference
  • INCLUDE - Include directory
  • IPF_KEYS - IPF key definitions
  • IPFC - IPF compiler
  • LIB - Points to directories where lib files are stored.
  • MMREF - Defines which files should be shown in the Multimedia Programming Reference.
  • PMREF - Presentation Manager Reference
  • WPSREF - Workplace Shell Reference
SOM
SOMobjects
Java Run-time

Networking

LAPS
LAN Services
TCP/IP
MFS
Global Security Runtime
  • NETVIEW_PATH - Defines the path where the SystemView client is installed.
  • SRVNAME1 - Used for remote installations of OS/2.
  • TEMP - Define a directory were OS/2 and programs can store temporarily files.
  • TMP - Define a directory were OS/2 and programs can store temporarily files.


Check also CONFIG.SYS - SET Statements (Additional software).

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