diff --git a/bashrc.local b/bashrc.local
index b0d30fb..de58dec 100644
--- a/bashrc.local
+++ b/bashrc.local
@@ -1,5 +1,5 @@
 export EMAIL_ADDR=Lakshman_Kumar.Narayanan@alcatel-lucent.com
-alias ls='ls --color -F'
+#alias ls='ls --color -F'
 alias grep='egrep --color'
 alias gitnp='git --no-pager'
 alias npgit='git --no-pager'
diff --git a/tmux.conf b/tmux.conf
index 8087fb6..214cdc7 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -20,10 +20,10 @@ bind-key b run "bash -ci gotoNofifPane"
 set-window-option -g mode-keys vi

 # start and end selection
-bind-key -t vi-copy 'v' begin-selection
-bind-key -t vi-copy 'y' copy-selection
-bind-key -t vi-copy 'C-v' rectangle-toggle
-bind-key -t vi-copy 'Escape' cancel
+bind-key -Tcopy-mode-vi 'v' send -X begin-selection
+bind-key -Tcopy-mode-vi 'y'  send -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"
+bind-key -Tcopy-mode-vi 'C-v'  send -X rectangle-toggle
+bind-key -Tcopy-mode-vi 'Escape' send -X cancel

 #bind a special attach (s is the regular attach) which will detach other clients
 bind-key g choose-tree -b "attach-session -dt '%%'"
@@ -57,7 +57,7 @@ set-window-option -ag word-separators "'"
 #set-window-option -g window-status-current-bg colour236
 #set-window-option -g window-status-current-attr bright

-set-option -g default-shell /bin/zsh
+set-option -g default-command "reattach-to-user-namespace -l zsh"
 set-option -g default-terminal "screen-256color"

 #connecting multiple clients sholdn't force all clients to the least size!
diff --git a/zshrc.local b/zshrc.local
index 2fe1cb4..9c11d04 100644
--- a/zshrc.local
+++ b/zshrc.local
@@ -68,7 +68,7 @@ function cd_dir_widget()
 zle -N cd_dir_widget
 bindkey '^V' cd_dir_widget

-eval $(dircolors ~/software/dircolors-solarized/dircolors.ansi-dark )
+#eval $(dircolors ~/software/dircolors-solarized/dircolors.ansi-dark )

 source ~/github/zsh-git-prompt/zshrc.sh
 [ -f ~/.fzf.zsh ] && source ~/.fzf.zsh