[dundee] Smaller file size than expected

[malcolm]

I downloaded an ISO of PCLinuxOS and the stated file size was 1.6Gb.  
However when I tried to burn it to a DVD a warning box said it was only 
1.1Gb and advised caution.

How do I check that I have the whole file or do I have to start again, 
bearing in mind I've a 20Gb total download per month and it took nearly 
a day to download.

Robert will testify to my lack of technical knowledge so simple replies 
are better, however patronising they may sound.

Thanks.