What is the primary function of batch files?

The primary function of batch files is to execute a collection of command-line instructions. A batch file is a text file that contains a series of commands that the command line interpreter executes in sequence. When the batch file is run, the operating system processes each command listed within it, allowing users to automate repetitive tasks, configure system settings, or perform batch processing of commands without needing to input them individually each time.

This capability is especially useful for system administration and scripting tasks, enabling users to streamline processes that involve multiple commands or operations, like creating backups, managing files, or setting environment variables. Batch files can also help ensure consistency when executing the same commands across different sessions.

The other choices do not align with the primary function of batch files. Storing graphical instructions is not relevant to the text-based nature of batch files. Managing hardware interactions pertains more to device drivers or system-level programming, while compiling programming code is a function associated with programming languages and compilers rather than the script-based functionalities of batch files.