In nautilus (or nemo) file manager, the "Size" column shows the filesize for files and the number of items contained in a folder for subdirectories:

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Number of items is not that important for me, it would be more useful if I could make this column show the total size contained under the directory. I had an extension on windows called foldersize which shows what I mean:

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I think it involved a service which ran in the background monitoring filesystem modifications in order to make sure the column was kept up to date.

I am interested to know if there is any similar extension to nautilus, I would also be open to switching to another file manager to get this functionality. I am aware of the Disk Usage Analyser in Ubuntu, but what I'm looking for is a solution with file manager integration.

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    I know that nobody has answered your question, but i was wondering if you found something. I currently switch to Nemo, and the only extra info I get is a bar under the Filesystems that shows me how full they are, but nothing for a per folder basis. – Felipe Oct 18 '13 at 16:17
  • No, I haven't found a solution yet. I am also using Nemo. – wim Oct 19 '13 at 19:28
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    I've made a feature request for it: github.com/linuxmint/nemo/issues/637 – Adam Ryczkowski Jun 17 '14 at 9:38

Not sure if this will help as it's not exactly what you're looking for, but you can display the file size under the icon:

  1. Open the file explorer
  2. Go to places
  3. Select preferences
  4. Select display tab


However, this is probably a more direct answer to your question: Show current folder size in Nautilus


Always calculating the disk usage of a directory accurately (including hardlinks etc.) would slow you down, so it is not done. (With large directories I even have to wait quite a while to get the number of items.)

If you want to analyze disk usage try gdmap or baobab. There are even more tools.

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    I mentioned in my question already I'm aware of baobab (it's the same as Ubuntu disk usage analyzer) and I also have gdmap. Neither of these can be integrated into the file manager. Calculating the usage of a directory does not necessarily have to be slow, if you have a daemon which monitors filesystem changes and updates an index accordingly. Similar to using find vs using updatedb and locate – wim Dec 4 '13 at 16:03
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    Slowness is not an answer, and it's one of the simplest problems to solve. Plus its a subject reference. – nullsteph Nov 18 '15 at 2:49

Krusader will calculate the size of one or directories. This is very useful when you are trying to figure out how much data you can fit on a a CD or DVD data archive disk.

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