diff --git a/.bashrc b/.bashrc
index 0ccc0df..9096795 100644
--- a/.bashrc
+++ b/.bashrc
@@ -5,7 +5,7 @@
 
 # readline
 bind "set editing-mode vi"
-bind "set keyseq-timeout 50"
+bind "set keyseq-timeout 0"
 bind "set show-mode-in-prompt on"
 bind "set vi-ins-mode-string \1\e[01;35m\2+\1\e[0m\2"
 bind "set vi-cmd-mode-string :"
@@ -36,6 +36,13 @@ alias ls="ls --color=auto"
 alias ll="ls -AF1"
 alias lll="ls -AFlh"
 
+# history
+shopt -u histappend
+HISTSIZE=-1
+HISTFILESIZE=-1
+HISTIGNORE='exit:q:ls:ll:lll'
+HISTCONTROL='ignoreboth:erasedups'
+
 # bash completion
 if ! shopt -oq posix; then
 	if [ -f /usr/share/bash-completion/bash_completion ]; then