--- a/.bashrc	Sat Aug 13 00:51:30 2011 +0300
+++ b/.bashrc	Sat Aug 13 00:53:11 2011 +0300
@@ -40,6 +40,9 @@
 # Can be XXX /visible. I like bell.
 # set bell-style visible
 
+# Make Bash append rather than overwrite the history.
+shopt -s histappend
+
 # Minor errors in the spelling of a directory component in a cd command will
 # be corrected.
 shopt -s cdspell