Sagar . Code -- Cyber security 🚀 on Instagram: "🐚 Shell Scripting Day 1 — Your First “Hello World” Program! Every programming journey starts with one simple line… and in shell scripting, it all begins with: echo "Hello World" Bas itna sa code, aur terminal aapko world-class welcome bol deta hai 😄🔥 If you’re starting shell scripting, this is the perfect first step. Easy, powerful, and super useful for automation. 📥 Want full Shell Scripting notes + practice tasks? Comment "SHELL" or DM me! B