diff --git a/.zshrc b/.zshrc
index 9f5389a..a8e1490 100644
--- a/.zshrc
+++ b/.zshrc
@@ -10,6 +10,16 @@ setopt APPEND_HISTORY
 setopt EXTENDED_HISTORY
 setopt EXTENDED_GLOB
 
+# number of lines kept in history
+export HISTSIZE=1000
+# number of lines saved in the history after logout
+export SAVEHIST=1000
+# location of history
+export HISTFILE=~/.zhistory
+# append command to history file once executed
+setopt inc_append_history
+
 #aliases
 alias rmdir='rm -r'
 alias sl='ls'
+alias octalperm="stat -c '%A %a %n' *"