Well, AIX runs on mainframes, and IBM System z mentions 141 cores per frame.

Agreed. Several of my projects have been destined to run on Power 8 architecture with upto 192 processors; but such expensive systems rarely give all their resources over to a single job.

What I was attempting to determine is how near to "launch simultaneously" the OP needed. If all start within a few seconds is good enough, it's pretty simple. If it's all start at exactly the same time, it's possible, but requires a different approach.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". The enemy of (IT) success is complexity.
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^5: @array_commands to execute simultaneously and collect output on single log by BrowserUk
in thread @array_commands to execute simultaneously and collect output on single log by nicopelle

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