How do you comment a line in a script?

How do you comment a line in a script?

• A. # This is a comment
• B. // This is a comment
• C. /* This is a comment */
• D. -- This is a comment

Answer: (A)

The identified option is appropriate for commenting a line in a script, particularly in languages such as Python and Bash. In these languages, placing a hash symbol (#) at the beginning of a line allows the interpreter to recognize the rest of that line as a comment, meaning it will not be executed as code. This is fundamental in scripting, as comments serve to provide context or explanations for the code, making it easier for others (or the original author at a later date) to understand the logic or functionality without affecting the program’s execution. The other options represent comment syntax used in different programming languages or contexts. For instance, the double forward slash (//) is commonly used in languages like C++, Java, and JavaScript to indicate single-line comments. The syntax of /*...*/ is utilized for multi-line comments in languages such as C and C++. The double dash (--) is utilized in SQL to indicate a single-line comment. Each of these syntaxes has its own specific use case in different programming environments, underlining the diversity of commenting methods across programming languages.

The identified option is appropriate for commenting a line in a script, particularly in languages such as Python and Bash. In these languages, placing a hash symbol (#) at the beginning of a line allows the interpreter to recognize the rest of that line as a comment, meaning it will not be executed as code. This is fundamental in scripting, as comments serve to provide context or explanations for the code, making it easier for others (or the original author at a later date) to understand the logic or functionality without affecting the program’s execution.

The other options represent comment syntax used in different programming languages or contexts. For instance, the double forward slash (//) is commonly used in languages like C++, Java, and JavaScript to indicate single-line comments. The syntax of /.../ is utilized for multi-line comments in languages such as C and C++. The double dash (--) is utilized in SQL to indicate a single-line comment. Each of these syntaxes has its own specific use case in different programming environments, underlining the diversity of commenting methods across programming languages.