Please follow the link
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https://www.tecmint.com/commands-to-collect-system-and-hardware-information-in-linux/
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neofetch is one of the best tools to show you system information you can install it with command below
sudo apt install neofetch
and run it with this command
neofetch
other usefull command is
lshw
to remember it read it list hardware
you can see the output on terminal or pass it to a text file
lshw > myhardware.txt