hello.sh

#!/bin/sh

# This script displays "Hello world!"

echo "Hello world!"

Try It

Copy and paste the code above into one of the following free online development environments or use your own Bash compiler / interpreter / IDE.

• CodeChef
• Ideone
• paiza.IO
• repl.it
• TutorialsPoint

See Also

• Bash programming
• Wikibooks: Bash Shell Scripting
• TLDP.org: BASH Programming Introduction