Ubuntu Manpage: proc - process information pseudo-filesystem
proc/self/fd/N is approximately the same as /dev/fd/N in some UNIX and UNIX-like. systems.
proc(5) - Linux manual page
proc/self/fd/N is approximately the same as /dev/fd/N in. some UNIX and UNIX-like systems. Most Linux MAKEDEV.
Проект OpenNet: MAN proc (5) Форматы файлов (FreeBSD и Linux)
fd. Это подкаталог, содержащий одну запись на каждый файл, который в данный момент открыт процессом.
$ foobar -i /proc/self/fd/0 -o /proc/self/fd/1 .. - Linux man page
The proc file system is a pseudo-file system which is used as an interface to kernel data structures.
command line - What are these auxiliary file descriptors? - Ask Ubuntu
Probing /proc/self is a tricky business, since it changes for each process.
linux - Which process is `/proc/self/` for? - Unix & Linux Stack Exchange
This has nothing to do with foreground and background processes; it only has to do with the currently running process. When the kernel has to answer the question “What does /proc/self point to?”, it simply picks the currently-scheduled pid, i.e. the currently running process (on the current logical CPU).
/proc/self/fd/{0,1,2} are not valid (with --tty) · Issue #11462 · moby/moby
Got: they point to some random point on the root of the filesystem which doesn't exist. Effect: This breaks the command tty (and therefore tmux and various other programs) from a docker exec into the container. The reason is that readlink(/proc/self/fd/0) returns a path that doesn't exist.
proc(5) - Russkiy | $ foobar -i /proc/self/fd/0 -o /proc/self/fd/1
proc - псевдо-файловая система с информацией о процессах.
logging - How to get php-fpm to log to stdout / stderr... - Server Fault
/proc/self/fd/2. In php5-fpm.log add