xp on hard drive

Microsoft Windows xp home edition w/sp2
April 18, 2010 at 12:17:37
Specs: Windows XP
Why does windows XP want to fill my hard drive? Now taking up over 12GB for windows... File reads much bigger than actual contents appear to be.

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#1
April 18, 2010 at 14:17:58
In Windows XPs NTFS file system, one Sector on the harddrive
amounts to 4,000 bytes. If a file is 1,000 bytes in size,
then that file will take up a full Sector, and you will lose
3,000 bytes of space. TWO FILES CANNOT OCCUPY THE SAME SECTOR.

If a file is 40,001 bytes in size, the it will use 11 Sectors,
and you will lose 3,999 bytes of space.

Right click on a file,
then click Properties,
then look on the General tab,
you will see two pieces of information, "File size", and "Size on Disk".
"File Size" might be 100 bytes, and yet
"Size on Disk" would be 4,000 bytes.

I find LOG files in Windows that show
0 bytes of File Size,
4,000 bytes of Size on Disk.


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#2
April 19, 2010 at 12:40:44
Thanks for that, I had no idea and that would explain a lot. I don't suppose there is a way round it. Thanks again.

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