About Dua
Dua is a fast, lightweight disk usage analyzer similar to other commercial disk analysis tools. It scans directory structures and displays
folder sizes, helping users identify what consumes storage.
Key Features
- Recursive directory size scanning
- Human-readable output (MB/GB)
- Fast multi-threaded scanning
- Lightweight C++ implementation
- Ideal for servers or headless environments
Example Output
george@servera:~/coding/phase-4$ ./dua / -s10M -f -d0
Licence valid until 2026-11-13 20:00:02 UTC (UTC). ID: CUST001
Registered to: John Doe
LICENCE: COMMERCIAL - FULL LICENCE Active.
--- Disk Usage Analyzer (Multithreaded Tree View) ---
Scanning: /
Max Tree Depth: 0
Max Concurrent Threads: 2
Minimum Size Filter: 10.0 MB
Output Format: Human-Readable
Display Filter: Folders Only (Counts Enabled)
Scanning branches concurrently... Please wait.
--- Analysis Results (Hierarchy) (Absolute Paths) ---
SIZE % P FOLDERS FILES LAST ACCESSED PATH
-----------------------------------------------------------------
2.2 GB 100.0 % 10339 66919 17/11/2025 /
2.1 GB 93.4 % 9768 66068 17/11/2025 /usr/
131.6 MB 5.7 % 316 241 17/11/2025 /var/
19.9 MB 0.9 % 254 610 17/11/2025 /etc/
CSV Export Example
Dua can export results as CSV for integration with reporting tools:
"Path","Size","Parent Percentage","Folders Total","Files Total","Last Accessed"
"/",2.2 GB,100.00,10339,66919,17/11/2025
"/usr/",2.1 GB,93.40,9768,66068,17/11/2025
"/var/",131.6 MB,5.73,316,241,17/11/2025
"/etc/",19.9 MB,0.87,254,610,17/11/2025
Downloads
Commercial version will be available soon.
Contact
For enquiries or support:
support [at] georgetech.co.uk