mv Command in Linux | Safest Deployment Method (Zero Downtime)

Описание: mv command Linux me sirf rename nahi karta —
real DevOps, cloud servers, Docker containers, and production deployments me
fast switching + rollback + zero-downtime releases ke liye use hota hai.

Is video me aap seekhenge:

🔹 mv file.txt backup.txt — rename in one command
🔹 mv app_new/ app/ — production deploy trick
🔹 Rename vs Move — kya difference hai
🔹 Safest way to replace old code with new code
🔹 SSH me rollback workflow
🔹 Docker & EC2 me mv ka real usage

💥 Real DevOps Deployment Example
mv app_old app_backup
mv app_new app
systemctl restart service


👉 No crashes
👉 Instant swap
👉 ZERO downtime release