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Screenshot of DOS Navigator
|Original author(s)||Stefan Tanurkov, Andrew Zabolotny, Sergey Melnik (initial release)|
|Operating system||MS-DOS, OS/2, Windows|
|Type||Orthodox file manager|
DOS Navigator (DN) is an influential early implementation of orthodox file manager (OFM). By implementing three additional types of virtual file system (VFS): Xtree, Briefcase and list-based, DN opened a new generation of OFMs. Also an unlimited number of panels and many new important features make it one of the most powerful (and complex) OFMs.
The initial version of DN I (v 0.90) was released in 1991, and written by Stefan Tanurkov, Andrew Zabolotny and Sergey Melnik (all from Chişinău, Moldova). After that, DN was rewritten using Turbo Vision by Stefan Tanurkov and Dmitry Dotsenko (Dmitry developed DN at Moscow State University). These versions are sometimes referred as DN II.
In 1993, Slava Filimonov invited Stefan to join him to continue producing and publishing DN with joint efforts. Slava also contributed programming new components, design and made countless optimizations and improvements. He wrote a new software key protection system which remained unbreakable for almost four years after its introduction.
DN II was actively developed until the start of 1995, until version 1.35 which should be considered as a milestone in OFM implementations. Several other programmers participated in development after version 1.35. Starting from version 1.37, Slava Filimonov and Ilya Bagdasarov were in charge of bug-fixing. Filimonov and Bagdasarov solely maintained, developed and released versions 1.37 through 1.39. After they left, DN was maintained again by Stefan and newly acquired developer, Maxim Masiutin.
The latest shareware version was 1.50. Then, in late 1999, Ritlabs decided to make version 1.51 of the DOS Navigator completely free with freely available source code.
DN 1.51 650 KB Win32 OS/2 - Sources (Virtual Pascal) (972,655)
DOS Navigator Open Source Project (ODN) DN OSP 6.4.0 1 MB DOS/DPMI (Win9x)
Necromancer's DOS Navigator (NDN)
DN 4.9.0 2004 for DOS included in UBCD v3.4
- Dr Nikolai Bezroukov (July 7, 2013). "DN line — a breakthrough in VFS". www.softpanorama.org. Retrieved October 12, 2013.
- Frog's Print (Fravia) (10 December 1997). "DOS Navigator v1.50: how to spy our targets". Fravia's page of reverse engineering., DN as a nice example of DOS cracking
- Bezroukov, Dr Nikolai (20 March 2011). "The Orthodox File Manager (OFM) Paradigm". Softpanorama University Library.