If you want to see system information about your computer then open terminal and type following command:-
uname -a
More Information about unameNAME
uname - print system information
SYNOPSIS
uname [OPTION]...
DESCRIPTION
Print certain system information. With no OPTION, same as -s.
-a, --all
print all information, in the following order, except omit -p
and -i if unknown:
-s, --kernel-name
print the kernel name
-r, --kernel-release
print the kernel release
-v, --kernel-version
print the kernel version
-p, --processor
print the processor type
--version
output version information and exit