Want to know about the CPU(s) on your system?

If you want to know all about the CPU(s) on your system, then check the /proc/cpuinfo file.

This will give you the following output.

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 3
model name      : Pentium II (Klamath)
stepping        : 3
cpu MHz         : 1729.327
cache size      : 128 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu de pse tsc msr pae mce cx8 apic pge 
                  cmov pat mmx fxsr sse sse2 up pni
bogomips        : 3527.30
clflush size    : 32

This file has important information about the CPU.