os_summary.sh

#!bin/bash

############################################################
# Print OS summary (OS, ARCH, VERSION)
############################################################
function print_info {
  echo -n -e '\e[1;36m'
  echo -n $1
  echo -e '\e[0m'
}
function show_os_arch_version {
  # Thanks for Mikel (http://unix.stackexchange.com/users/3169/mikel) for the code sample which was later modified a bit
	# http://unix.stackexchange.com/questions/6345/how-can-i-get-distribution-name-and-version-number-in-a-simple-shell-script

	ARCH=$(uname -m | sed 's/x86_//;s/i[3-6]86/32/')

	if [ -f /etc/lsb-release ]; then
		. /etc/lsb-release
		OS=$DISTRIB_ID
		VERSION=$DISTRIB_RELEASE
	elif [ -f /etc/debian_version ]; then
		# Work on Debian and Ubuntu alike
		OS=$(lsb_release -si)
		VERSION=$(lsb_release -sr)
	elif [ -f /etc/redhat-release ]; then
		# Add code for Red Hat and CentOS here
		OS=Redhat
		VERSION=$(uname -r)
	else
		# Pretty old OS? fallback to compatibility mode
		OS=$(uname -s)
		VERSION=$(uname -r)
	fi

	OS_SUMMARY=$OS
	OS_SUMMARY+=" "
	OS_SUMMARY+=$VERSION
	OS_SUMMARY+=" "
	OS_SUMMARY+=$ARCH
	OS_SUMMARY+="bit"

	print_info "$OS_SUMMARY"
}