如何在linux下查看服务器的型号

linux如何看到服务器的型号呢？
# dmidecode | grep "Product"
        Product Name: IBM System x3650 -[7979R01]-
        Product Name: System Planar
        Product Name: Power Suppy Backplane
        Product Name: PCI-Express Riser Card, Slots 1 & 2

solaris可以直接用uname -a就能看到服务器的型号