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Is there a simple command to display the total aggregate size (disk usage) of all files in a directory (folder)?

I have tried these, and they don't do what I want:

  • ls -l, which only displays the size of the individual files in a directory, nor
  • df -h, which only displays the free and used space on my disks.
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6 Answers 6

up vote 277 down vote accepted

The command du "summarizes disk usage of each FILE, recursively for directories," e.g.,

du -hs /path/to/directory
  • -h is to get the numbers "human readable", e.g. get 140M instead of 143260 (size in KBytes)
  • -s is for summary (otherwise you'll get not only the size of the folder but also for everything in the folder separately)
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1  
respect for going the extra mile. :) –  myusuf3 Aug 5 '10 at 18:37
1  
Great answer, that does exactly what I wanted. +1 @Marcel and @garbagecollector. I still have too little rep to upvote, but I'll come back once I hit 15 to get you guys. –  David Barry Aug 5 '10 at 18:42
    
@David you better! :) –  myusuf3 Aug 5 '10 at 18:55
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I use du -sh or DOOSH as a way to remember it (NOTE: the command is the same, just the organization of commandline flags for memory purposes) –  Marco Ceppi Aug 5 '10 at 18:56
25  
One more useful bit: du -h --max-depth=1 /path/to/folder Will produce a list of all the folders in /path/to/folder and their sizes. Trying to find the biggest? du --max-depth=1 /path/to/folder | sort -nk1 will organize the list from smallest to largest. –  Marco Ceppi Aug 5 '10 at 19:35

Recently I found a great, ncurses based interactive tool, that quickly gives you an overview about directory sizes. Searched for that kind of tool for years.

  • quickly drilldown through file hierarchy
  • you can delete e.g. huge temporary files from inside the tool
  • extremely fast

Think of it as baobab for the command line:

apt-get install ncdu
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This is absolutely fantastic! Like DaisyDisk, for OSX –  subZero Jun 6 at 19:58

Enjoy!

du foldername

More information on that command here

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du /foldername is the standard command to know the size of the folder.It is best practice to know the options by reading man page.

man du .

read man page before you use the command.

http://linuxmanpages.com/man1/du.1.php

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The best one I think is the following:

du -h directory_name | tail -n1

This will show you only the size of the directory that you are interested in and will not print sizes of any directories and files inside that directory.

I should add that if the size of the folder is large then du takes longer time. You must be patient for this command to work. Just like any other unix command, you may find out the total time for this process by using time before this command:

time du -h directory_name | tail -n1
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This finds the size recursively and puts it next to each folder name, along with total size at the bottom, all in the human format

du -hsc *
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