Know Your HW

# sysctl hw.model                             # CPU model
# sysctl hw                                        # Gives a lot of hwinfo
# dmesg | grep "real mem"             # Hardware memory
# sysctl vm                                        # Memory usage
# sysctl -a | grep mem                     # Kernel mem set and info
# sysctl dev                                       # Configured devices
# pciconf -l -cv                                  # Show PCI devices
# usbdevs -v                                     # Show USB devices
# atacontrol list                               # Show ATA devices

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