This is a simple bash script that provides a quick summary of key system information on Linux. It includes details about the operating system, kernel version, CPU (including number of cores), memory usage, disk space, swap, and system uptime.

sinfo.sh

#!/bin/bash

echo "=============================="
echo "  System Information Summary  "
echo "=============================="
echo "OS: $(lsb_release -d | cut -f2)"
echo "Kernel: $(uname -r)"
echo "CPU: $(lscpu | grep 'Model name' | sed 's/Model name:\s*//')"
echo "CPU Cores: $(lscpu | grep '^CPU(s):' | awk '{print $2}')"
echo "RAM Total: $(free -h | awk '/^Mem:/ {print $2}')"
echo "RAM Free: $(free -h | awk '/^Mem:/ {print $4}')"
echo "Disk Total: $(df -h / | awk '/\// {print $2}')"
echo "Disk Free: $(df -h / | awk '/\// {print $4}')"
echo "Swap Total: $(free -h | awk '/^Swap:/ {print $2}')"
echo "Swap Free: $(free -h | awk '/^Swap:/ {print $4}')"
echo "Uptime: $(uptime -p)"
echo "=============================="