Getting CPU Info on Ubuntu

$ cat /proc/cpuinfo | egrep "proc|name|MHz"
processor    : 0
model name    : Dual-Core AMD Opteron(tm) Processor 1220
cpu MHz        : 1000.000
processor    : 1
model name    : Dual-Core AMD Opteron(tm) Processor 1220
cpu MHz        : 1000.000