/dev/pts/0の端末

 $ tty
 /dev/pts/0

 $ ls −la /dev/stdout
 lrwxrwxrwx. 1 root root 15 12月 23 08:20 /dev/stdout −> /proc/self/fd/1
 $ ls −la /proc/self/fd/1
 lrwx−−−−−−. 1 xxxxx xxxxx 64 12月 23 14:06 /proc/self/fd/1 −> /dev/pts/0

 $ ls −la /dev/stderr 
 lrwxrwxrwx. 1 root root 15 12月 23 08:20 /dev/stderr −> /proc/self/fd/2
 $ ls −la /proc/self/fd/2
 lrwx−−−−−−. 1 xxxxx xxxxx 64 12月 23 14:16 /proc/self/fd/2 −> /dev/pts/0

 $ ls −la /dev/pts/0
 crw−−w−−−−. 1 xxxxx tty 136, 0 12月 23 14:07 /dev/pts/0

/dev/pts/1の端末

 $ tty
 /dev/pts/1

 (あとは同じで)/dev/stdoutも/dev/stderrも/dev/pts/1になる