Prex 0.9.0

Prex is a portable real-time operating system for embedded systems.

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What's new in Prex 0.9.0:

  • This release adds a new security framework that enables pathname-based access control.
  • It can assign the set of specific capabilities for any application depending on its role.
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LICENSE TYPE:
BSD License 
USER RATING:
3.4/5 19
DEVELOPED BY:
Kohsuke Ohtani
HOMEPAGE:
prex.sourceforge.net
CATEGORY:
ROOT \ System \ Operating Systems \ Other
3 Prex Screenshots:
PrexPrexPrex
The Prex project is an open source initiative to provide a portable real-time operating system for embedded systems.

This project originally started to make a royalty-free OS for mobile phones and PDA in order to spread open source movement to such proprietary OS field. And now, the project target has been shifted to the wider area of real-time and embedded systems.

Prex is designed specifically for small memory footprint platforms. It is written in C language based on traditional micro-kernel architecture. The Prex kernel provides only fundamental features for task, thread, memory, ipc, exception, and synchronization.

The other basic OS functions, process, file system, application loading, and networking, are provided by the user mode servers. In addition, Prex provides a POSIX emulation layer in order to reuse the existing applications.

Prex is an open source royalty-free OS for mobile phones and PDA.

This design allows system to perform both of the native real-time task and the generic *NIX process simultaneously without degrading the real-time performance. Furthermore, it helps the platform designer to construct OS by choosing suitable server tasks for their target requisition.

Prex is royalty-free software released under BSD License.

Last updated on October 2nd, 2009

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