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Disabling the POSIX Subsystem

This article was previously published under Q101270
SUMMARY
There is little to gain by disabling the POSIX subsystem in Windows NTbecause POSIX is only started once a POSIX-based application isstarted. There are no memory savings or performance increases.
MORE INFORMATION
If you want to disable the POSIX subsystem, you can do so by going tothe following subkey and deleting the POSIX value:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Subsystems
NOTE: The same is true for the OS/2 subsystem; until an OS/2-basedapplication is started, the OS/2 subsystem server is not loaded.
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Article ID: 101270 - Last Review: 02/20/2007 00:21:00 - Revision: 2.2

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Server 3.5
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Workstation 3.5
  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • kb3rdparty KB101270
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