We’ll explain some useful commands to show hardware and software configuration in Ubuntu 16.04; for some of them may be necessary installing the relative package, executing:
$ sudo su # apt-get install command
For cpu info:
lscpu
For general hardware info:
lshw hwinfo
For pci, scsi, usb, etc.:
lspci lsscsi lsusb inxi -Fx
For disks:
lsblk df fdisk mount free hdparm
For Ubuntu version:
lsb_release -a