first commit

hello_world.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# Total duration in seconds (10 minutes * 60 seconds)
+DURATION=$((10 * 60))
+# Interval between messages in seconds
+INTERVAL=5
+# End time calculation
+END_TIME=$((SECONDS + DURATION))
+
+# Loop until the current time is less than the end time
+while [ $SECONDS -lt $END_TIME ]; do
+  echo "Hello world - from bash!"
+  sleep $INTERVAL
+done