Code:
You can write to a file with a Print statement and increase a counter for 1 each time. When the counter reaches 500, go to the next file. The same goes for reading if you're doing it with a Line Input statement.
If i already storing records in 4 files (4 x 500 = 2000records)
and i removed record in the first file, then it will not read for the rest of the file but only get the first 499 record?

Can I use the UDP for storing in difference file?