diff --git a/.zshrc b/.zshrc
index 1abb48a..62aae82 100644
--- a/.zshrc
+++ b/.zshrc
@@ -47,6 +47,13 @@
 # much, much faster.
  DISABLE_UNTRACKED_FILES_DIRTY="true"
 
+ MAILCHECK=0
+
+ # allow tab completion in the middle of a word
+ setopt COMPLETE_IN_WORD
+ # keep backgroud processess at full speed
+ setopt NOBGNICE
+
  setopt inc_append_history
  setopt extended_history
 # Uncomment the following line if you want to change the command execution time