This simple command displays information on your Kernel:
 
uname -a

Here is the UNAME manual:[INDENT]NAME
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:
-s, --kernel-name
print the kernel name
-n, --nodename
print the network node hostname
-r, --kernel-release
print the kernel release
-v, --kernel-version
print the kernel version
-m, --machine
print the machine hardware name
-p, --processor
print the processor type
-i, --hardware-platform
print the hardware platform
-o, --operating-system
print the operating system
--help display this help and exit
--version
output version information and exit
 

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