C++ Program to store username and password.

[deniedhashtag]

I am a beginner in C++. I want to write a program, that when entered username and password, it remembers it, and the next time when I run the program it should show that User, with the option to login with that user.
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Example
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1st time running the code:
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1st Window
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Enter Username: xyz
Enter Password: (anything)
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2nd Windows
--------
Welcome XYZ !
=====================
2nd time running the code
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1st Window
----------
1)Login as XYZ
2)New User
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2nd Window(if selected to login as XYZ)
----------
Welcome XYZ
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2nd Window(New User)
-----------
Enter New Username And Password

>>>>>>THE PROGRAM HAS TO BE MADE ON TURBO C++<<<<<<

All the help provided will be further appreciated

Thank you in advance

[ebucna]

http://www.cplusplus.com/doc/tutorial/files/

[deniedhashtag]

Thank You So Much @ebucna