Duc

Spec sheet

Purpose

Duc is a collection of tools for indexing, inspecting and visualizing disk usage.Read 11 Oct 2026 · duc.zevv.nl

Desktop platforms

LinuxRead 23 Sep 2026 · duc.zevv.nl

Free plan

YesRead 23 Sep 2026 · duc.zevv.nl

Support

The maker directs questions, feature requests, and bug reports to the GitHub issue system and lists an email contact.Read 11 Oct 2026 · duc.zevv.nl

License

The Duc GitHub repository identifies its license as LGPL-3.0.Read 11 Oct 2026 · github.com

Application sizes

NoRead 23 Sep 2026 · duc.zevv.nl

Build dependencies

The maker lists ncurses, Cairo, Pango, and build-essential dependencies for Debian or Ubuntu builds.Read 11 Oct 2026 · duc.zevv.nl

Compatibility limit

Some commands may not be available depending on the build configuration; the manual gives the duc-nox package as an example without the GUI command.Read 11 Oct 2026 · rawgit.com

Data export

The manual documents commands that generate XML or JSON output from the index.Read 11 Oct 2026 · rawgit.com

Disk usage database

Duc maintains a database of accumulated directory sizes that users can query to inspect filesystem usage.Read 11 Oct 2026 · duc.zevv.nl

Exportable reports

YesRead 23 Sep 2026 · duc.zevv.nl

File-type breakdown

NoRead 23 Sep 2026 · duc.zevv.nl

Index privacy option

The index command has a hide-file-names option that hides individual file names while preserving directory names.Read 11 Oct 2026 · rawgit.com

Index requirement

Duc requires an index of the file system before it can show information.Read 11 Oct 2026 · rawgit.com

Indexing

Duc maintains a database of accumulated directory sizes that users can query or use to create graphs.Read 11 Oct 2026 · duc.zevv.nl

Indexing requirement

Duc needs an index of the filesystem before it can show disk usage information.Read 11 Oct 2026 · rawgit.com

Installation

Duc is available from Debian and Ubuntu repositories, and the maker provides source code for other operating systems.Read 11 Oct 2026 · duc.zevv.nl

Interfaces

Duc offers command-line and ncurses interfaces, a graphical X or OpenGL interface, and a web CGI interface.Read 11 Oct 2026 · duc.zevv.nl

Linux availability

The maker’s site says Duc is available from Debian and Ubuntu repositories and gives installation instructions for Debian, Ubuntu, RHEL, and CentOS.Read 11 Oct 2026 · duc.zevv.nl

Performance

The maker says Duc stores disk usage in an optimized database for a fast interface once indexing is complete.Read 11 Oct 2026 · duc.zevv.nl

Privacy option

The manual documents a hide-file-names indexing option that hides individual file names while preserving directory names.Read 11 Oct 2026 · rawgit.com

Scale

The maker says Duc has been tested on systems with more than 500 million files and several petabytes of storage.Read 11 Oct 2026 · duc.zevv.nl

Scan scope

files_foldersRead 23 Sep 2026 · duc.zevv.nl

Source availability

The maker’s site links to downloadable source releases and instructions to build and install Duc.Read 11 Oct 2026 · duc.zevv.nl

Treemap view

NoRead 23 Sep 2026 · duc.zevv.nl

Visualizations

The graphical interface explores filesystem usage with sunburst graphs.Read 11 Oct 2026 · duc.zevv.nl

Where Specifiction places it

• Disk Space Analyzers#87 of 1057.3