Inxi is a command line system monitor for GNU/Linux OS. For example it provides info for cpu, memory, motherboard, disk, even the ... weather!

Its installation is pretty simple. Inxi is available in almost all GNU/Linux distributions repositories. For example, in GNU/Debian-based and Ubuntu-based distributions:

sudo apt-get install inxi

Some of the most useful arguments:

System info

inxi -F

Disk info: