diff --git a/dot.bashrc b/dot.bashrc
index aa4e59d..660d7d6 100644
--- a/dot.bashrc
+++ b/dot.bashrc
@@ -4,6 +4,9 @@
 
 [[ $- != *i* ]] && return
 
+export HISTSIZE=2000
+export HISTFILESIZE=2000
+
 colors() {
 	local fgc bgc vals seq0
 
@@ -36,7 +39,7 @@ colors() {
 # Change the window title of X terminals
 case ${TERM} in
 	xterm*|rxvt*|Eterm*|aterm|kterm|gnome*|interix|konsole*)
-		PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\007"'
+		PROMPT_COMMAND='history -a;history -n;echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\007"'
 		;;
 	screen*)
 		PROMPT_COMMAND='echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\033\\"'
@@ -113,6 +116,8 @@ shopt -s expand_aliases
 
 # Enable history appending instead of overwriting.  #139609
 shopt -s histappend
+shopt -s cmdhist
+export HISTCONTROL=ignoreboth:erasedups
 
 #
 # # ex - archive extractor