NNFS (Non-Networked File System)

2026-06-01 : a bug has been found, NNFS stops working if there is a file with a size greater than 4GB. Not yet a patch to fix this. (Does anybody use NNFS? I think nobody care)

The goal

NNFS provide a consistent file system over several non networked UNIX computers (or slow networked). For example on your computer at home and at work using only a floppy disk for the synchronisation.

The NNFS advantages

• You are sure to work on the latest version of files.
• You don't need to remember which files are modified on an host and must be transfered on others.
• You don't need to made backup, because if a computer crash the file system is still on the other computers working with NNFS.
• The NNFS medium is choosen by a user shell script, it could be: floppy disk, usb key, serial connection, ...
• Minimal NNFS medium bandwidth to make the updates.
• EASY TO USE: Running ``nnfs'' command before and after your work.
• Numbered backup of files modified/deleted on NNFS.
• If you modify the same file on several hosts NNFS solves the update conflict.
• The program has been hugely tested.

Retrieve NNFS!!!

If you want more information, look the user manual

To download the sources: 2.1.12.tar.gz

The change log.

This version of NNFS compile and run on:

• Linux (Debian): compiled, tested and used for years
• HPUX 10.20: compiled and tested
• IRIX: compiled and tested
• Mac OS X: compiled, problems remaining :
  • Mac OS X doesn't store the modification date of symbolics links.
  • for Mac OS X, "README" and "Readme" are the same file. So there is mirroring problems between Mac and other Unixes.