diff --git a/_bashrc b/_bashrc
index 03731ff..e8f1f9f 100644
--- a/_bashrc
+++ b/_bashrc
@@ -9,6 +9,10 @@
 export HISTCONTROL=ignoredups
 # ... and ignore same sucessive entries.
 export HISTCONTROL=ignoreboth
+# size
+export HISTSIZE=10000
+export HISTFILESIZE=100000
+
 
 # check the window size after each command and, if necessary,
 # update the values of LINES and COLUMNS.