How To Store A Variable in Memory When Program Closes

[JasperBraun]

How do you store a variable in memory so that it isn't changed when the program closes? I don't have any experience with this and am just wondering how it is possible. I am creating a program and want it to store your preferences and scores. In a simple program, everything is just reset and I don't want this for my program. How do I store a variable so that it stays the same, but can be changed even when the program is turned off?

[JLBorges]

Write it into some kind of persistent storage (say a file) on program exit, and read it back on program start up.

To be able to change it from outside the program, write it as plain text.

[condor]

Use data files to store any data. Take a look here:

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