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I wonder how to get how many cores (including emulated via HT and such) are avaliable to user via bash shell-script command?

  • On what operating system? – Mat Jan 15 '12 at 8:44
  • Debian, Ubuntu, OpenSuse, MacOsX – myWallJSON Jan 15 '12 at 9:25
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On Linux:

grep ^processor /proc/cpuinfo | wc -l
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    Or try grep -c ^processor /proc/cpuinfo and you won't need to spawn two processes. – Alexios Jan 15 '12 at 10:36
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You can also use nproc or nproc --all.

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