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Linux Detecting: Second CPU / Processor

Q. I've single CPU server system. If another CPU is added to my server, will CentOS Linux recognize it automatically on the next boot? Do I need to configure something?
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Linux Find Out Virtual Memory PAGESIZE

Q. How do I check the size of PAGESIZE under Linux?

A. Most modern operating systems have their main memory divided into pages. It allows better utilization of memory. A page is a fixed length block of main memory, that is contiguous in both physical memory addressing and virtual memory addressing. Kernel swap and allocates memory using pages
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