Memory Checker (Megs)

I would like to create a function that will display
how much megs you have left.  
example of usage in function called megsLeft
writeln('You have ',megsLeft,'left.');
This variable is declared as real (#.##), and the variable
stays in the memory throughout the program for tests, such
as if megsLeftVar < 80 then Halt;
   else installProg;

I can make the checkings myself, but i need the info obtained from the function to stay in the computers memory.

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Hello weinrj,

writeln('You have ', diskfree div (1024*1024), ' Mbytes left.');



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if you wanna get the free space of a drive is mes's answer correct ! You also can get some other memory areas like
conventional memory, xms, or ems. get the OMSEC - unit from my
homepage at 

signed, Omsec
weinrjAuthor Commented:
Adjusted points to 50
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