CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

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#!/bin/sh
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CPUPROFILE_FREQUENCY=500 CPUPROFILE=profile.dat RUBYOPT="-r`gem which perftools | tail -1`" ruby msfconsole -x "exit" z
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pprof.rb --gif profile.dat > profile.gif
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