> My reading of TFA was that it’s rare for it to be important that descriptors sharing a description thus also share a file position. It reads like this was an

> My reading of TFA was that it’s rare for it to be important that descriptors sharing a description thus also share a file position. It reads like this was an assumption rather than an observation. > And shell-like redirection use cases really are the only case I can think of where that’s important. .xsession-errors , or really anything of that nature where a process tree shares an error log file on stderr.