How to find CPU information?

How to find CPU information in ubuntu linux?

Open the terminal (CTRL + ALT + T)

$ cat /proc/cpuinfo

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 14
model name : Intel(R) Celeron(R) M CPU        440  @ 1.86GHz
stepping : 12
microcode : 0x54
cpu MHz : 1861.983
cache size : 1024 KB
physical id : 0
siblings : 1
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
fdiv_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 clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx constant_tsc arch_perfmon bts aperfmperf pni monitor tm2 xtpr pdcm dtherm
bogomips : 3723.96
clflush size : 64
cache_alignment : 64
address sizes : 32 bits physical, 32 bits virtual

power management: