How to check the number of CPU cores in Linux

How to check the number of cpu cores in Linux?

1. Connect to the corresponding Linux host and enter the Linux command line state waiting for input of shell instructions.

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2. Secondly, enter: cat /proc/cpuinfo in the linux command line.

#3. Finally, press the Enter key to execute the shell command. At this time, you will see the number of CPU cores of the Linux host.

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