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16.4.4. Using the lscpu Command

The lscpu command lists information about CPUs that are present in the system, including the number of CPUs, their architecture, vendor, family, model, CPU caches, etc. For example:
~]$ lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    1
Core(s) per socket:    4
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 23
Stepping:              7
CPU MHz:               1998.000
BogoMIPS:              4999.98
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              3072K
NUMA node0 CPU(s):     0-3
For a complete list of available command line options, refer to the lscpu(1) manual page.