Global Variable not Saving

[gmundt]

I'm just curious about global variables.  I am setting a variable %my_variable$="Greg", but when I pull up a new window and do a ? %my_variable$ it is showing as empty.  Is there something else that needs to be set to define a global variable?  This is version 15.10.

[James Zukowski]

Global variables are only active within a session, not between sessions.