Linux command line for see hardware spek

Processor

~$ cat /proc/cpuinfo

RAM

~$ cat /proc/meminfo

VGA type

~$ lspci | grep VGA
~$ lspci -v -s 00:02.0

HD size

~$ df -h

Motherboard information

~$ sudo dmidecode

Linux distro information

~$ cat /etc/issue
~$ lsb_release -a
~$ lsb_release -ds

Usb device information

~$ lsusb

New hardware

~$ dmesg

Kernel information

~$ uname -a

networking card and IP address

~$ ifconfig -a
~$ /sbin/ifconfig | grep inet