HDD:
hdparm -tT /dev/sda
RAM:
dmidecode -t 17 | awk -F”:” ‘/Speed/ { print $2 }’~
CPU:
Cat /proc/cpuinfo
VGA:
lspci | grep VGA
lshw -C video
Check hardware info/performance in linux tip
it's notes
“Tell me and I forget, teach me and I may remember, involve me and I learn.” ― Benjamin Franklin.