What is unique about the 'Single Step Mode'?

'Single Step Mode' is particularly useful in specific contexts, primarily found in systems or applications that focus on detailed step-by-step execution. This mode is recognized for allowing users to execute commands sequentially, which aids in debugging and precise control over operations.

The assertion that it is only available in 'Expert Mode' accurately captures the intent and functionality of 'Single Step Mode.' In 'Expert Mode,' users typically have access to advanced features that provide deeper control and visibility over the running processes, making it essential for expert users who need to analyze and understand each command's effect independently. This limitation ensures that only those with the necessary knowledge and understanding can utilize this feature, maintaining the integrity and efficiency of the system.

In contrast, the other options do not encapsulate the characteristics of 'Single Step Mode' accurately. For instance, the idea that it can be used in any mode undermines the exclusivity and purpose behind its design. Similarly, the claim that it requires no user interaction contradicts the very essence of what makes 'Single Step Mode' valuable, which is the user's ability to engage with and control the execution of commands one at a time. Furthermore, stating that it runs all commands at once completely misinterprets the function; 'Single Step Mode