Linux view the number of physical CPUs, the number of cores, the number of logical CPUs; memory information

# total number of cores =Number of physical CPUs × number of cores per physical CPU # Total Logical CPUs=Number of physical CPUs x number of cores per physical CPU X number of hyper-threads # View the number of physical CPUsCat/proc/cpuinfo|grep "Physical ID"|Sort|Uniq|WC-L1# See the number of cores in each physical CPU (that is, the number of nuclei)Cat/proc/cpuinfo|grep "CPU Cores"|UniqCPU Cores:1# View the number of logical CPUsCat/proc/cpuinfo|grep "Processor"|WC-L1# View CPU information (model)Cat/proc/cpuinfo |grepname |Cut-f2-d: |Uniq-C1Intel Xeon e312xx (Sandy Bridge) # View memory InformationCat/proc/meminfomemtotal:2049068Kbmemfree:66720kbmemavailable:31592KB ...

Linux view the number of physical CPUs, the number of cores, the number of logical CPUs; memory information