Check the command and output below. What does it represent?

ubuntu@ubuntu:$/$proc$/2432/$map$\_$files$ $1$s $-1|$ grep $\text{'}.$so$$\text{'}|$ head $-3$

lr$--.-.--1$ ubuntu ubuntu $64$ Jan $2609$:$317$f$21$c$4879000-7$f$21$c$487$c$000$

$/$usr$/$lib$/$x$86\_64-$linux$-$gnu$/$libnss$\_$files$-2\mathrm{.}31.$so

lr$--.----1$ ubuntu ubuntu $64$ Jan $2609$:$317$f$21$c$487$c$000-7$f$21$c$4883000$

$/$usr$/$lib$/$x$86\_64-$linux$-$gnu$/$libnss$\_$files$-2\mathrm{.}31.$so

lr$--------1$ ubuntu ubuntu $64$ Jan $2609$:$317$f$21$c$4883000-7$f$21$c$4885000->$

$/$usr$/$lib$/$x$86\_64-$linux$-$gnu$/$libnss$\_$files$-2\mathrm{.}31.$so

a$.$ Open files by the kernel module with ID $2432$

b$.$ Dynamic libraries open by the process with PID $2432$

c$.$ Buffer information related to the process with PID $2432$

d$.$ Child processes open by the process with PID $2432$