====== Hardware ======

  $ hostname  # show the hostname (computer name)
  $ hostnamectl  # show or set hostname and other information
  
  $ sudo lshw
  $ lspci
  $ lsusb
  $ sudo dmidecode


====Architecture====
====Components====
==Motherboard==
==CPU==
==GPU==
==chipset==
==Northbridge==
==Southbridge==
==Bus==
==PCI==
==ICE==
==keyboard==
==mouse==
==display==
==disk==
==USB==
==device==
==plug==
==port==
==APIC==
==BIOS==
==CMOS==
==RAM==
==Cache==
L1, L2, L3
==Clock==
====Not on the Motherboard====
==Cooling System (fans)==
==Power Supply==
==Ports==

====Variations====
System on a Chip (SOC)
System on a Module (SOM)
Single-Board Computer

Combine CPU, GPU, Northbridge, Southbridge, APIC into a single chip.

Embedded system
Robotics
Server
Laptop
Real-time (RT)

$sudo lshw -short
                          system         Swift SF314-57G (0000000000000000)
/0                        bus            Floris_IL
/0/0                      memory         128KiB BIOS
/0/4                      processor      Intel(R) Core(TM) i5-1035G1 CPU @ 1.00GHz
/0/4/6                    memory         128KiB L1 cache
/0/4/7                    memory         2MiB L2 cache
/0/4/8                    memory         6MiB L3 cache
/0/5                      memory         192KiB L1 cache
/0/f                      memory         8GiB System Memory
/0/f/0                    memory         4GiB Row of chips LPDDR4 Synchronous 3733 MHz (0.3 ns)
/0/f/1                    memory         4GiB Row of chips LPDDR4 Synchronous 3733 MHz (0.3 ns)
/0/100                    bridge         Intel Corporation
/0/100/2       /dev/fb0   display        Intel Corporation
/0/100/4                  generic        Intel Corporation
/0/100/7                  bridge         Ice Lake Thunderbolt 3 PCI Express Root Port #0
/0/100/8                  generic        Intel Corporation
/0/100/d                  bus            Ice Lake Thunderbolt 3 USB Controller
/0/100/d/0     usb1       bus            xHCI Host Controller
/0/100/d/1     usb2       bus            xHCI Host Controller
/0/100/d.2                generic        Ice Lake Thunderbolt 3 NHI #0
/0/100/14                 bus            Ice Lake-LP USB 3.1 xHCI Host Controller
/0/100/14/0    usb3       bus            xHCI Host Controller
/0/100/14/0/5             generic        EgisTec Touch Fingerprint Sensor
/0/100/14/0/6             multimedia     HD WebCam
/0/100/14/0/a             communication  Bluetooth wireless interface
/0/100/14/1    usb4       bus            xHCI Host Controller
/0/100/14.2               memory         RAM memory
/0/100/14.3    wlp0s20f3  network        Killer Wi-Fi 6 AX1650i 160MHz Wireless Network Adapter (201
/0/100/15                 bus            Ice Lake-LP Serial IO I2C Controller #0
/0/100/15.1               bus            Ice Lake-LP Serial IO I2C Controller #1
/0/100/16                 communication  Management Engine Interface
/0/100/1c                 bridge         Ice Lake-LP PCI Express Root Port #5
/0/100/1c/0               display        GP107M [GeForce MX350]
/0/100/1d                 bridge         Intel Corporation
/0/100/1d/0               storage        WD Black 2018/PC SN520 NVMe SSD
/0/100/1e                 communication  Ice Lake-LP Serial IO UART Controller #0
/0/100/1e.2               bus            Ice Lake-LP Serial IO SPI Controller #0
/0/100/1f                 bridge         Ice Lake-LP LPC Controller
/0/100/1f.3               multimedia     Smart Sound Technology Audio Controller
/0/100/1f.4               bus            Ice Lake-LP SMBus Controller
/0/100/1f.5               bus            Ice Lake-LP SPI Controller
/0/1                      system         PnP device PNP0c02
/0/2                      generic        PnP device INT3f0d
/0/3                      input          PnP device PNP0303
/0/6                      system         PnP device PNP0c02
/0/7                      system         PnP device PNP0c02
/0/8                      system         PnP device PNP0c02
/0/9                      system         PnP device PNP0c02


column 1, H/W path == bus addresses
column 2, device
column 3, class
column 4, description

row 1 = system