diff --git a/TipsShell.md b/TipsShell.md
index da5c8270..814346f2 100644
--- a/TipsShell.md
+++ b/TipsShell.md
@@ -13,4 +13,16 @@ Entre les 3 modes ("login", "interactive non-login" et "non-interactive non-logi
 
 ## Script shell
 
-Style guide : <https://google.github.io/styleguide/shell.xml>
\ No newline at end of file
+Style guide : <https://google.github.io/styleguide/shell.xml>
+
+## History Bash
+
+`bashrc` :
+
+~~~
+export HISTCONTROL=$HISTCONTROL${HISTCONTROL+,}ignoreboth
+export HISTSIZE=65535
+export HISTTIMEFORMAT="%c : " 
+~~~
+
+> *Note* : si besoin on peut `chattr +a /root/.bash_history` pour empêcher sa suppression