How to use the bash shell debugging mode: 2-Minute Linux Tips

The video tutorial explains how to use bash's debugging mode to identify problems in scripts. It covers two methods to invoke debugging: by typing 'bash -X' followed by the script name or by modifying the shebang line. An example script is used to demonstrate how debugging can reveal usage and syntax errors. The tutorial also shows how to interpret script output and error messages, making it easier to understand and fix issues.

What is one of the main benefits of using bash shell debugging mode?

• It provides a graphical interface for script editing.

• It helps in pinpointing problems in scripts.

• It automatically fixes script errors.

• It speeds up script execution.

Which of the following is a method to invoke bash debugging mode?

• Typing 'bash -d' followed by the script name.

• Using 'bash -X' followed by the script name.

• Adding '-X' to the end of the shebang line in the script.

• Typing 'bash -debug' followed by the script name.

In the simple example shown, what was the initial error encountered?

• An infinite loop in the script.

• A missing file error.

• A usage error due to missing arguments.

• A syntax error in the script.

What does the 'date +%B' command output in the script?

• The current year.

• The current day of the month.

• The current time.

• The current month of the year.

How does the debugging mode help in understanding script errors?

• By showing the lines of code as they are executed.

• By providing a detailed error log.

• By suggesting code corrections.

• By highlighting the correct code lines.