How to Run a Shell Script?

Running a shell script in Linux helps automate tasks and execute multiple commands efficiently. Follow these steps to run a shell script:

Steps to Run a Shell Script:

• Create a Shell Script: Create a text file with a .sh extension and add the required commands. This file will serve as your script.
• Give Execution Permission: Newly created scripts do not have execution rights by default. Modify the script permissions to allow execution.
• Run the Script: You can execute a shell script using different methods:
  • From the current directory: Run it directly if saved in the working folder.
  • Using the full file path: Provide the complete location if stored in another folder.
  • Using a shell program: Execute the script by specifying a shell, such as Bash or Sh.

How to Run a Shell Script in Linux?

• Locate the Script: If your script is saved in a specific folder, navigate to that directory before executing it.
• Check and Update Permissions: Linux security settings may block execution. Adjust the permissions if needed.
• Execute the Script: Once permissions are set, run the script by:
  • Running it from the current location.
  • Using the full directory path.
  • Calling it through a shell program.

Common Issues and Fixes:

• If the script doesn’t run, check for permission errors.
• Ensure that the script specifies the correct shell program.
• If errors appear, review the script for incorrect commands.

Following these steps ensures smooth execution of shell scripts in Linux.