For the /dev/fd feature, for any user to be able to access thesefiels, their permissions must be rw-rw-rw. Some programs thatcreate an output file delete the file first, in case it alreadyexist, ignoring the return code:
unlink (path);
If ((fd = creat (path, FILE_MODE)) < 0)
printf (“errorn”);
What happens if path is /dev/fd/1?
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