Question

On unix-based systems, users typed commands into a program to handle keyboard commands called a ____

Answer 1

The correct answer is: Unix Shell

Step-by-step explanation:
A Unix shell is a command-line shell or interpreter with the user interface. Users run the operation of the computer by entering commands as text for a command line interpreter to execute, or by creating text scripts of one or more such commands. Hence, the correct answer is Unix Shell.

Answer 2

On UNIX-based systems, users typed commands into a program to handle keyboard commands called a shell.
The UNIX shell is a command-line interpreter that provides a traditional Unix-like command line user interface.
The shell reads the input after Enter. is pressed and determines the command the programmer wants to execute by looking at the first word of the input.