strace -fe verbose=all -p 19881

Process 19881 attached - interrupt to quit

read(7,

 

ls -l /proc/19881/fd/

total 0

lr-x------ 1 root root 64 Jan 17 20:02 0 -> pipe:[1771023532]

l-wx------ 1 root root 64 Jan 17 20:02 1 -> pipe:[1771023666]

l-wx------ 1 root root 64 Jan 17 20:02 2 -> pipe:[1771023533]

lrwx------ 1 root root 64 Jan 17 20:02 3 -> socket:[1771025115]

lr-x------ 1 root root 64 Jan 17 20:02 4 -> /opt/opwv/OKRAuser/3.1.1/ETL/data/input/rba/abc.log.working

lrwx------ 1 root root 64 Jan 17 20:02 7 -> socket:[1771023680]