How to find hardware specs? System Info?
For command line solutions, you can use the command lshw.
Install it if needed:
sudo apt-get install lshw
And then in terminal type:
lshw | less
OR
run something like
sudo lshw -html > mySpecs.html
then check the html file.
For GUI you can user hardinfo tool
Install it if needed:
sudo apt install hardinfo
And from software menu search and open it.
How to find the frequency and type of my current RAM?
Open Terminal and type:
sudo lshw -short -C memory
OR
sudo dmidecode --type 17 | more