How do you find how many cpu are in your system and there details?

Question

a) Rescue mode
b) Single user mode
c) Emergency mode

Answer 1

For Windows:
Run (Window key + R) -> type msinfo32 -> OK
For Linux:
$ lscpu
or
$ cat /proc/cpuinfo

Answer 2

Try

$ cat /proc/cpuinfo

Sample Output

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 62
model name      : Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
stepping        : 4
microcode       : 0x416
cpu MHz         : 2500.042
cache size      : 25600 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1
apicid          : 0
initial apicid  : 34
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu de tsc msr pae cx8 sep cmov pat clflush mmx fxsr sse sse2
ss ht syscall nx lm constant_tsc rep_good nopl pni pclmulqdq ssse3 cx16 sse4_1 s
se4_2 popcnt tsc_deadline_timer aes rdrand hypervisor lahf_lm ida arat epb pln p
ts dtherm fsgsbase erms
bogomips        : 5000.08
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

Answer 3

By looking into file /etc/cpuinfo for example you can use below command:

cat /proc/cpuinfo