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duf is a lightweight, cross-platform command-line utility developed by Christian Muehlhaeuser that reimagines the traditional Unix “df” tool by presenting disk-usage statistics in an immediately readable, color-coded table. Designed for system administrators, developers, and anyone who needs a fast overview of mounted storage, duf shows device name, size, used and available space, filesystem type, and mount point in a single glance, eliminating the need to parse cryptic terminal output. Its adaptive layout adjusts to terminal width, supports JSON export for scripting, and offers built-in filtering flags so users can isolate local disks, network mounts, or pseudo filesystems without additional text processing. Released under an open-source license, the project has iterated through three public versions, with 0.9.1 being the current stable release as of early 2024; each update has refined performance, added Windows-specific optimizations, and expanded locale support. Typical use cases include verifying free space before large deployments, auditing remote servers over SSH, and integrating capacity checks into CI pipelines via the JSON endpoint. The utility is catalogued in the System & Utilities category and is distributed as a single static binary for Windows, macOS, and Linux, making it ideal for portable toolkits or locked-down environments where package managers are unavailable. duf is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version, and supporting batch installation of multiple applications.
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