​>Which makes "sense" if you think about what the "oedit" command actually 
>does. Think of the OMVS command as doing a fork() to start a new UNIX 
>process. Which is what it does. 


Nope. OMVS (by default) starts the shell process as a local process (using 
attach_exec, I believe), i.e. the shell runs in the TSO address space. You can 
override this with TSO OMVS NOSHAREAS. So the default behaviour is more like a 
local spawn() than a fork().


--
Peter Hunkeler

 

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