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ncdu (NCurses Disk Usage) is a curses-based version of the well-known 'du', and provides a fast way to see what directories are using your disk space.

It's aimed to be run on a remote server where you don't have an entire graphical setup, but have to do with a simple SSH connection. ncdu aims to be fast, simple and easy to use, and should be able to run in any minimal POSIX-like environment with ncurses installed.


  1. Download the latest source tarball

     wget https://dev.yorhel.nl/download/ncdu-2.2.1-linux-x86_64.tar.gz
  2. Extract the source executable

     tar xvzf ncdu-2.2.1-linux-x86_64.tar.gz 
  3. Move the executable to your 'bin' directory:

     mkdir -p $HOME/bin; mv ncdu $HOME/bin/
  4. Remove the source tarball:

    rm ncdu-2.2.1-linux-x86_64.tar.gz


  1. Add the bin directory to your PATH (if you've done this previously, you do not need to do it again)

     echo "PATH=\$HOME/bin:\$PATH" >> ~/.bashrc && source ~/.bashrc
  2. Start the application

    To scan and browse the directory you're currently in:


    To scan and browse a specific directory:

     ncdu /path/to/directory
  3. For more usage examples and documentation check out: ncdu's documentation


To update NCurses Disk Usage, follow the installation steps again using the latest version.