You can alter the way the debugger interacts with you by using the set command. For commands controlling how the debugger displays data, see Section 20.7.; other settings are described here.
The debugger indicates its readiness to read a command by printing a string called the prompt. This string is normally "(gdb)". You can change the prompt string with the set prompt command.
Directs the debugger to use newprompt as its prompt string henceforth.
Prints a line of the form: "Gdb's prompt is: your-prompt"