Answer:
B) prompt
Step-by-step explanation:
Prompt tells a user that it's ready to receive commands by displaying a specific set of characters.
For example in windows it can be:
C:\Temp>, The prompt states that user is currently in C drive Temp directory.
in Linux based operating systems it can be:
doga@d-Inspiron-3542:~/Documents$
where it is in the format user@host:~directory$