diff --git a/TipsShell.md b/TipsShell.md
index c6a58d63..e5e432f4 100644
--- a/TipsShell.md
+++ b/TipsShell.md
@@ -324,4 +324,18 @@ $ SEUIL=100; watch -n 5 -d "ps -e -o etimes=,user | sort -n | awk '{if (\$1<$SEU
 
 ~~~{.bash}
 (total_procs=0; for foo in $(ps -e -o ppid | sed '1d' | sort -n | uniq -c | sort -n | awk '{ print $1 ":" $2 }'); do val=$(echo $foo | cut -d: -f1); total_procs=$((total_procs+val)); pid=$(echo $foo | cut -d: -f2); (( pid != 0 )) && { echo -n $val ') '; ps -p $pid -o pid,cmd | tail -n1; }; done; echo Total = $total_procs) | tail
+~~~
+
+## Process ayant des fichiers ouvert
+
+### Selon l'utilisateur :
+
+~~~
+# lsof -u UID
+~~~
+
+Si www-data a uid=33, lister fichiers ouvert par serveur-web :
+
+~~~
+# lsof -u 33 | awk '{ print $2 " = " $9 }' | grep "/home/.*$"
 ~~~
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