Creating a script file (.sh) in Bash Scripting - Try It Yourself

Creating a Script File (.sh)

📖 Scenario: You want to automate a simple task on your computer by writing a shell script. This script will greet the user with a friendly message.

🎯 Goal: Create a shell script file named greet.sh that prints a greeting message when run.

📋 What You'll Learn

Create a script file named greet.sh

Add the correct shebang line for bash scripts

Write a command inside the script to print Hello, welcome to scripting!

Make sure the script is executable

Run the script to see the greeting message

💡 Why This Matters

🌍 Real World

Shell scripts automate repetitive tasks like backups, system checks, or starting programs.

💼 Career

Knowing how to write and run shell scripts is essential for system administrators, developers, and anyone working with Linux or Unix systems.

1

Create the script file with the shebang line

Create a file named greet.sh and add the first line #!/bin/bash to tell the system this is a bash script.

Bash Scripting

# Create the greet.sh file and add the shebang line
# Your code here

Need a hint?

The first line in a bash script should be #!/bin/bash to specify the interpreter.

2

Add a greeting message command

Add a line below the shebang in greet.sh that uses echo to print Hello, welcome to scripting!.

Bash Scripting

echo '#!/bin/bash' > greet.sh
# Add echo command to print greeting
# Your code here

Need a hint?

Use echo "Your message" to print text in bash scripts.

3

Make the script executable

Use the command chmod +x greet.sh to make the script file executable.

Bash Scripting

echo '#!/bin/bash' > greet.sh
echo 'echo "Hello, welcome to scripting!"' >> greet.sh
# Make greet.sh executable
# Your code here

Need a hint?

Use chmod +x filename to allow running the script as a program.

4

Run the script and see the output

Run the script by typing ./greet.sh in the terminal and print the output.

Bash Scripting

echo '#!/bin/bash' > greet.sh
echo 'echo "Hello, welcome to scripting!"' >> greet.sh
chmod +x greet.sh
# Run the script and print output
# Your code here

Need a hint?

Run the script with ./greet.sh and it should print the greeting message.