Changes for z/OS V1R8 UNIX System Services include the following:


  • Route precedence values can now be assigned for each network route.

  • Automatically back up locks in a sysplex.

  • Can now create a thread-level environment for the caller's thread using an existing USP.

  • Can now create a thread-level environment for the caller's thread without the need for a password.

  • A new interactive command line editing facility that makes it easier to edit dbx commands.

  • Enhancements added to the dbx plugin framework.

  • The number of open descriptors for processes has been increased to 512K (524288).

  • Support is now provided to enable Java J9 to run in user environments that do not run exclusively in PSW key 8.

  • Data can now be written to the /dev/operlog file and then sent directly to the sysplex message log, OPERLOG .

  • You can now use the new -F option, when using the extattr shell command to set the file format for a file.

  • The BPXBATCH utility now allows for the use of MVS data sets to be specified for BPXBATCH jobs.

  • Two new data types have been added to the C99 compiler: packed decimal and complex.

  • You can use the new /etc/inittab file to start daemons.


For more information on these updates, see the  z/OS V1R8 Introduction and Release Guide  and z/OS V1R8 Summary of Message and Interface Changes.



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