Re: [TUHS] 8th Edition and /dev/stdio

I think dmr put them in, at my suggestion. I was bothered by the inconsistent use of '-' as a name for standard input. Giving stdin a real name meant we had a consistent mechanism. 8th edition sounds right. -rob On Tue, Apr 21, 2020 at 4:33 AM <arnold(a)skeeve.com> wrote: > Derek Fawcus <dfawcus+lists-tuhs(a)employees.org> wrote: > > > On Mon, Apr 20, 2020 at 08:28:53AM -0600, arnold(a)skeeve.com wrote: > > > See if there are man pages for /dev/fd/XXX. IIRC /dev/stdin was > > > a symlink to /dev/fd/0, /dev/stdout to /dev/fd/1, /dev/stderr to > /dev/fd/2, > > > and, as a really nice generalization, /dev/tty to /dev/fd/4. For the > > > latter, init(1) simply dup'ed the opened tty file descriptor one more > > > time before exec-ing login. > > > > So what happened to /dev/fd/3 ? > > > > DF > > My bad. I meant /dev/fd/3. What was cute was that /dev/tty was > no longer a special device of it's own, but just another inherited > open file descriptor. > > Sadly, that generalization never made it out into other *nix systems. > > Arnold >