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cpuinfo

Linux Find Out CPU Architecture Information

How do I find out my CPU architecture information under Linux operating systems?
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Howto: Call Shell Script function In echo statement

I need to call the function called foo() using echo command in the same statement. How do I all or invoke the function using the echo statement?
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I would like to dynamically enable or disable a CPU on a running system. How do I hotplug a CPU on a running Linux system? How do I disable cpu cores on a Linux operating system at run time?
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How do I display CPU information like number of CPUs, threads, cores, sockets, NUMA nodes, information about CPU caches, CPU family, model and stepping and their speed on Linux operating systems?
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