Ubuntu provides several command which might help you detect more hardware information than others

• lshw show lists all hardware
  
• lshw -short it provides a hardware summary
  
• cat /proc/cpuinfo a quick way to display your processors
  
• lspci show lists connected PCI cards
  
• lsusb show lists connected USB device
  
• cat /proc/net/dev show lists all the network interfaces.
  
• lshw -class network
  
• cat /proc/ioports show lists communication ports and adresses
  
• cat /proc/iomem shows the memory map and reserved zone
  
• cat /proc/interrupts show lists the interruption assignment
  
• cat /proc/dma show lists the Direct Memory Access
  
• lsmod show lists the modules loaded by the kernel, and identify the hardware set
  
  

souce : https://wiki.ubuntu.com