include local aliases, refine history

zshrc

@@ -1,6 +1,10 @@
-# .zshrc
+#
+# ~/.zshrc
+#
+
+# User specific aliases and functions
+[ -f "${HOME}/.zshrc_local" ] && source "${HOME}/.zshrc_local"
 
-## Debian style bashrc prompts and color setup
 #force_color_prompt=yes
 case "$TERM" in
     xterm-color|*-256color) color_prompt=yes;;
@@ -37,7 +41,9 @@ PS4='+ '
 unset color_prompt force_color_prompt
 
 # history
-setopt histignoredups histignorespace appendhistory sharehistory
+setopt appendhistory extendedhistory sharehistory
+setopt histignoredups histignorespace
+alias history="fc -li"
 HISTSIZE=1000
 SAVEHIST=2000
 HISTFILE=~/.zsh_history