Example of /proc/PID/group/fd, which prints the file path: FD OFLAGS TYPE POS PATH 0 3 1 0 /dev/console 1 3 1 0 /dev/console 2 3 1 0 /dev/console 3 3 9 0 udp:[0.0.0.0:10197<->114.118.7.163:123, tx 0/16384, rx 0/16384, flg 1] 4 1027 9 0 tcp:[0.0.0.0:23<->0.0.0.0:0, tx 0/16384, rx 0/16384 + ofo 0, st 01, flg 31] 5 67 9 0 local:[md:ap] Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>