I want to know how many processors my ubuntu box has and if they are multicore. I did

cat /proc/cpuinfo  

and I see something like this

processor   : 0

vendor_id   : GenuineIntel

cpu family  : 6

model       : 15

model name  : Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz

stepping    : 11

cpu MHz     : 1603.000

cache size  : 4096 KB

physical id : 0

siblings    : 4

core id     : 0

cpu cores   : 4

apicid      : 0

initial apicid  : 0

fdiv_bug    : no

hlt_bug     : no

f00f_bug    : no

coma_bug    : no

fpu     : yes

fpu_exception   : yes

cpuid level : 10

wp      : yes

flags       : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constan

t_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm dts tpr_shadow vnmi flexpriority

bogomips    : 4787.19

clflush size    : 64

cache_alignment : 64

address sizes   : 36 bits physical, 48 bits virtual

power management:

notably, I saw such data block four times from

processor : 0 to processor : 4

and each time I see

cpu cores : 4  

I want to know what does that mean?

Is this machine has 4 processors and each processor has 4-cores?

Please let me know

Thank you