$ hostname  # show the hostname (computer name)
$ hostnamectl  # show or set hostname and other information

$ sudo lshw
$ lspci
$ lsusb
$ sudo dmidecode

L1, L2, L3

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