What is the command to check the number of CPU cores in Linux?

What is the Linux command to check the number of cpu cores?

1. Check the number of cores in each physical CPU (i.e. the number of cores)

2. Check the CPU model Command

3. Check the CPU model frequency. Command

##4. Check the number of physical CPUs

5. All physical ids are 0, which means there is 1 physical CPU; also use pipeline sorting to remove duplicates and directly output the number of physical CPUs;

6 .Check the number of logical CPUs

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