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comp.os.psos

The pSOS real-time operating system.

pSOS was a real-time operating system for embedded work — telecoms gear, avionics, instruments — widely deployed through the 1980s and 1990s before Wind River acquired its owner ISI and folded users toward VxWorks.

The group carried porting questions, BSP war stories and RTOS-selection debates from working embedded engineers; its archive is niche but genuinely technical.

Reading comp.os.psos today

  • Historical archive: Google Groups — comp.os.psos (coverage varies by group and era).
  • Live access: point an NNTP newsreader at a modern server — see accessing Usenet today.
  • The original news2mail e-mail subscription service ended in the mid-2000s and no longer operates.