Here I will attach a couple commonly used linux command lines and describe it shortly for quick understanding.
lsblk
lshw
lsmod
lspci
nmap
netstat (-nat)
grep
lsblk, lshw, lsmod, lspci: Hardware, up close and personal
lsblk
lshw
lsmod
lspci
nmap
netstat (-nat)
grep
lsblk, lshw, lsmod, lspci: Hardware, up close and personal