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NuttX seems to have a stronger mandate to be POSIXy than many other RTOSes and includes a shell that's similar to a unix shell. Where the interface and "shell"
by tyingq 3y ago
NuttX seems to have a stronger mandate to be POSIXy than many other RTOSes and includes a shell that's similar to a unix shell. Where the interface and "shell" for other RTOSes is often more unique and doesn't have as much of a unix feel. So it might be a more comfortable transition, though I'm sure that approach has it's drawbacks also.
- inamberclad 3y agoIf you want a POSIX environment in an RTOS, RTEMS has had a fully compliant POSIX C and C++ interface with decades of spaceflight usage. However, it remains somewhat obscure in terrestrial usage.