Linked Questions
22 questions linked to/from What is the difference between “Size” and “Size on disk?”
5
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Difference between SIZE and SIZE ON DISK on a pc? Why is SIZE ON DISK always greater? [duplicate]
I created a simple text file. I saw its size. it was 0 bytes. Then i entered alphabet 'a' and checked the size of it. IT says:
Size : 1 bytes
Size on disk: 4.00 KB(4096 bytes)
What is the ...
1
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3
answers
560
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Windows - File size differs from size on disk? [duplicate]
It isn't a major concern of mine, but I am curious as to why a .txt file's size is 21bytes, and the size of it on disk is 4kilobytes. Here is a snapshot of what I mean:
I am also wondering if the ...
1
vote
1
answer
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Actual File Size on Windows [duplicate]
I have a question related to what I'm currently testing/working on/trying to understand.
I created a small text file with the following content
abc.txt
ABCDEF
Now when I view File Properties
I ...
1
vote
1
answer
834
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Size On Disk Smaller Than File Size BUT HD Getting Full Based On File Size [duplicate]
Well the title says it all. As you can see in the screenshot here, all those big files have a waaaay smaller size on disk, but when I click HD properties it´s getting full based on the file size and ...
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0
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File size discrepancy in Windows Explorer [duplicate]
While looking at the properties in Explorer there seems to be a discrepancy in the displayed values. One value is presented when I hover the cursor over the file, and the other is displayed in ...
0
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0
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Size vs Size on disk [duplicate]
I’m trying to figure out why in the properties of a folder the “size” of the folder is different than the “size on disk”.
According to the other posts I’ve read (for example "What is the ...
311
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9
answers
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Why is there such a big difference between "Size" and "Size on disk"?
As you can see below, there is so much difference between the Size and Size on disk fields in my folder. Why is that?
I know that Size on disk should be a little more than Size because of allocation ...
40
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6
answers
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Is it best to reformat the hard drive to exFAT using 512kb chunk, or smaller or bigger chunks?
I can reformat a brand new 2TB WD Passport drive to exFAT, with choice of many "Allocation Unit Size":
128kb
256kb
512kb
1024kb
4096kb
16384kb
32768kb
which one is best if this drive is mainly used ...
19
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5
answers
27k
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Mac OS X not reporting directory sizes correctly?
In Finder, I've noticed that if I duplicate some .app files (in the Applications folder), Finder will show that the duplicate .app file is not the same size as the original. This file size ...
2
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2
answers
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How to determine the actual size on disk for a folder in Windows
I am either confused as to how Windows calculates the Size on disk value in the properties of a folder, or it is incorrect.
The cluster size on my drive is 4096 byes.
I've created a folder called ...
3
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2
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Why does "Size on disk" vary when "Size" does not with the same set of files?
I understand why "Size on disk" is larger than "Size".
I have three NTFS-formatted drives with the same exact data on it. Their allocation unit is 4096 bytes. The number of files and folders as well ...
1
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2
answers
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file size returned from ls - Linux vs OS X
I have been moving a large number of files between a Linux system (ext3) and Mac OS X (HFS) and have noticed the slight variation in how the file size is reported by the ls command.
Having done some ...
0
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1
answer
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I know base 2 and base 10 , MB and MiB, but i'm not understanding the byte counts shown for a directory, by du and by windows explorer
The du command shows 43G in use. I'm not sure whether that's base 2 in the sense of 2^30 or if it's base 10, in the sense of 10^9. But anyhow -
Running this du command from cygwin, to see the size ...
0
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1
answer
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Samsung SSD disk space - How to make sure the Size and SizeOnDisk space difference is not too high
I have a folder in Samsung Portable SSD T5 model.
When I connect the SSD to MAC and right click the folder and select Get Info to find the folder size then I see the following:
170 GB (410 GB on disk)
...
0
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2
answers
565
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Windows 10 comparing size on disk of two folders
I just copied very large folder from my portable drive to my laptop running win 10. For these two folders (in different locations) file explorer shows same size, but different size on disk. Everything ...