$ ls -l /proc/18531/fd
total 0
lrwx------ 1 pp pp 64 mar  14 13:55 0 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 1 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 10 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 11 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 12 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 13 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 14 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 15 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 16 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 17 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 18 -> socket:[2149204]
lrwx------ 1 pp pp 64 mar  14 13:55 2 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 21 -> socket:[2149206]
lr-x------ 1 pp pp 64 mar  14 13:55 22 -> /proc/18531/status
lrwx------ 1 pp pp 64 mar  14 13:55 23 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Log/Sam3.log
lrwx------ 1 pp pp 64 mar  14 13:55 24 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Log/Sam3.All.log
lrwx------ 1 pp pp 64 mar  14 13:55 25 -> socket:[2149212]
lrwx------ 1 pp pp 64 mar  14 13:55 26 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 27 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 3 -> socket:[2149808]
lr-x------ 1 pp pp 64 mar  14 13:55 35 -> pipe:[2149233]
l-wx------ 1 pp pp 64 mar  14 13:55 36 -> pipe:[2149233]
lrwx------ 1 pp pp 64 mar  14 13:55 37 -> socket:[2149236]
lr-x------ 1 pp pp 64 mar  14 13:55 38 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Content/SeriousSam3/All_150406.gro
lr-x------ 1 pp pp 64 mar  14 13:55 39 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Content/SeriousSam3/All_147686.gro
lrwx------ 1 pp pp 64 mar  14 13:55 4 -> socket:[2149809]
lr-x------ 1 pp pp 64 mar  14 13:55 40 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Content/SeriousSam3/All_01.gro
lr-x------ 1 pp pp 64 mar  14 13:55 41 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Content/SeriousSam3/All_02.gro
lr-x------ 1 pp pp 64 mar  14 13:55 42 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Content/SeriousSam3/CachedShaders_PC.gro
lr-x------ 1 pp pp 64 mar  14 13:55 43 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Content/SeriousSam3/All_145562.gro
lr-x------ 1 pp pp 64 mar  14 13:55 44 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Content/SeriousSam3/All_170136.gro
lr-x------ 1 pp pp 64 mar  14 13:55 45 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Content/SeriousSam3/DLC_Sam3Extended.gro
lr-x------ 1 pp pp 64 mar  14 13:55 46 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Content/SeriousSam3/All_178606.gro
lr-x------ 1 pp pp 64 mar  14 13:55 47 -> /home/pp/.local/share/Steam/SteamApps/common/Serious Sam 3/Content/SeriousSam3/DLC_Sam3Extended_178606.gro
lr-x------ 1 pp pp 64 mar  14 13:55 48 -> pipe:[2149237]
l-wx------ 1 pp pp 64 mar  14 13:55 49 -> pipe:[2149237]
lr-x------ 1 pp pp 64 mar  14 13:55 5 -> pipe:[2149810]
lrwx------ 1 pp pp 64 mar  14 13:55 50 -> socket:[2149240]
l-wx------ 1 pp pp 64 mar  14 13:55 6 -> pipe:[2149810]
lr-x------ 1 pp pp 64 mar  14 13:55 7 -> /proc/cpuinfo
lrwx------ 1 pp pp 64 mar  14 13:55 8 -> /dev/pts/3
lrwx------ 1 pp pp 64 mar  14 13:55 9 -> /dev/pts/3