diff --git a/bashrc b/bashrc
index 904ce50..2efd0c3 100755
--- a/bashrc
+++ b/bashrc
@@ -127,6 +127,11 @@ _timeformat_iso="%Y-%m-%dT%H:%M:%S%z"
 _timeformat_rfc2822="%a, %d %b %Y %T %z"
 
 alias ls="ls -hCF${_coloroption}${_timeoption}"
+if ! with_coreutils
+then
+    export LSCOLORS=gxfxcxdxbxegedabagacad
+    alias ls="ls -G"
+fi
 # export GREP_OPTIONS=""
 alias gr="grep -n --color=always"
 iswindows && alias grep="grep -n"
@@ -175,7 +180,7 @@ null type screen && alias screen="screen -e^z^z"
 null type gtags && alias gtags="gtags --verbose"
 null type htags && alias htags="htags --xhtml --symbol --line-number \
 --frame --alphabet --verbose"
-null type aunpack && alias aunp=aunpack
+null type aunpack && alias aun=aunpack
 null type lv && alias lv="lv|less"
 
 isdarwin && alias updatedb="LC_ALL=C updatedb"
@@ -680,16 +685,19 @@ ip-address(){
     test -n "$ip" && printf $1 $ip
 }
 
+
 __my_ps1_script(){
     local last=$?
     test -n "$SCRIPT" && echo "${__my_c5}SCR${__my_cdef} "
     return $last
 }
+
 __my_ps1_scale(){
     local last=$?
     printf "${LINES}x${COLUMNS}"
     return $last
 }
+
 __my_ps1_tmux(){
     local last=$?
     null type tmux || return $last
@@ -697,11 +705,13 @@ __my_ps1_tmux(){
     test -n "$TMUX" && echo "[TMUX:$tmuxc]"
     return $last
 }
+
 __my_ps1_moc(){
     local last=$?
     __my_moc_state "[MOC:%s]"
     return $last
 }
+
 for f in /usr/share/git/git-prompt.sh \
       /opt/local/share/doc/git-core/contrib/completion/git-prompt.sh
 do
@@ -716,11 +726,13 @@ __my_ps1_git(){
     __git_ps1 "[GIT:$(__try_exec git config --get user.name):%s]"
     return $last
 }
+
 __my_ps1_ipaddr(){
     local last=$?
     ! iswindows && ip-address [Addr:%s]
     return $last
 }
+
 __my_ps1_bttry(){
     local last=$?
     local bst="${TMP}/batterystatus"
@@ -733,19 +745,22 @@ __my_ps1_bttry(){
     fi
     return $last
 }
+
 __my_ps1_dirs(){
     dirs | wc -l
 }
+
 __my_ps1_jobs(){
     jobs | wc -l
 }
+
 if test "$TERM" != dumb
 then
-    __my_c1="\[\e[1;31m\]"       # color for PWD
+    __my_c1="\[\e[0;33m\]"       # color for PWD
     __my_c2="\[\e[0;36m\]"         # color for user
     __my_c3="\[\e[1;30m\]"       # color for OLDPWD
     if test "`hostname`" = arch-aspireone; then __my_c4="\[\e[1;34m\]"
-    elif test "`hostname`" = darwin-mba.local; then __my_c4="\[\e[1;33m\]"
+    elif test "`hostname`" = darwin-mba.local; then __my_c4="\[\e[1;31m\]"
     elif test "`hostname`" = newkiwi; then __my_c4="\[\e[1;35m\]"
     else __my_c4="\[\e[1;32m\]"       # color for ::
     fi
diff --git a/emacs.el b/emacs.el
index c7cc6f7..f745bad 100644
--- a/emacs.el
+++ b/emacs.el
@@ -213,9 +213,9 @@ found, otherwise returns nil."
   t)
  (require 'terminal-title nil t))
 
-(setq eol-mnemonic-dos "crlf")
-(setq eol-mnemonic-mac "cr")
-(setq eol-mnemonic-unix "lf")
+(setq eol-mnemonic-dos "\\r\\n")
+(setq eol-mnemonic-mac "\\r")
+(setq eol-mnemonic-unix "\\n")
 
 (which-function-mode 0)
 
@@ -270,6 +270,10 @@ found, otherwise returns nil."
         (add-to-list 'nbl b)))
     nbl))
 
+;; http://www.masteringemacs.org/articles/2012/09/10/hiding-replacing-modeline-strings/
+;; (add-to-list 'minor-mode-alist
+;;              '(global-whitespace-mode ""))
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; show current info
 (defun my-message-current-info ()
@@ -703,7 +707,11 @@ found, otherwise returns nil."
 
 (add-hook 'makefile-mode-hook
           (lambda ()
-            (define-key makefile-mode-map (kbd "C-m") 'newline-and-indent)))
+            (define-key makefile-mode-map (kbd "C-m") 'newline-and-indent)
+            ;; this functions is set in write-file-functions, i cannot find any
+            ;; good way to remove this.
+            (fset 'makefile-warn-suspicious-lines 'ignore)
+            ))
 
 (defun make ()
   "Run \"make -k\" in current directory."
@@ -1716,11 +1724,13 @@ if arg given, use that eshell buffer, otherwise make new eshell buffer."
            (buffer-name my-term))
       (pop-to-buffer my-term)
     (setq my-term
-          (if (eq system-type 'windows-nt)
-              (eshell)
-            (if (require 'multi-term nil t)
-                (multi-term)
-              (ansi-term shell-file-name))))))
+          (save-window-excursion
+            (if (eq system-type 'windows-nt)
+                (eshell)
+              (if (require 'multi-term nil t)
+                  (multi-term)
+                (ansi-term shell-file-name)))))
+    (my-term)))
 
 (defun my-delete-frame-or-kill-emacs ()
   "delete frame when opening multiple frame, kill emacs when only one."
diff --git a/profile b/profile
index 255d638..4033e50 100755
--- a/profile
+++ b/profile
@@ -31,6 +31,10 @@ test -f "${HOME}/.dotfiles/rc.py" && \
     export PYTHONSTARTUP="${HOME}/.dotfiles/rc.py"
 #export PYTHONPATH="~/.local/share/lib/python3.2/site-packages"
 
+export GEM_HOME="$HOME/.local/lib/gems"
+export PATH="$PATH:$HOME/.local/lib/gems/bin"
+export RUBYLIB="$RUBYLIB:$HOME/.local/lib/gems/lib"
+
 __add_to_path(){
     for p in "$@"
     do
diff --git a/setup.sh b/setup.sh
index 0b6a1f8..ab3fecb 100755
--- a/setup.sh
+++ b/setup.sh
@@ -48,36 +48,41 @@ install_symlink_script(){
 git_config(){
     type git >/dev/null 2>&1 || return 1
 
-    git config --global user.name '10sr'
-    git config --global user.email '8slashes+git@gmail.com'
-    git config --global core.autocrlf false
-    git config --global core.excludesfile '~/.gitignore'
-    git config --global color.ui auto
-    git config --global status.relativePaths false
-    git config --global status.showUntrackedFiles normal
-    git config --global log.date iso
-    git config --global alias.graph "log --graph --date-order -C -M --pretty=tformat:\"%C(green)%h%C(reset) %C(white)%ad%C(reset) %C(red)%an%C(reset)%C(yellow)%d%C(reset) %C(white bold)%s%C(reset)\" --all --date=iso -n 499"
-    git config --global alias.st "status -s -b"
-    git config --global alias.b "branch"
-    git config --global alias.sb "show-branch"
-    git config --global alias.ci "commit --verbose"
-    git config --global alias.co "checkout"
-    git config --global alias.cim "commit --verbose -m"
-    git config --global alias.di "diff --color"
-    git config --global alias.me "merge --no-ff --stat -v"
-    git config --global alias.gr "grep -n"
-    git config --global alias.ls "ls-files"
-    # git config --global alias.ls "ls-files -v --full-name"
-    # git config --global alias.ls "status -u -s ."
-    git config --global alias.sl "!sl"
-    # git config --global alias.my-ls "ls-files | xargs ls"
-    # git config --global alias.ll "!git ls-files | xargs ls -l -CFG --color=auto --time-style=long-iso"
-    git config --global alias.addi "add -i"
-    git config --global alias.clean-p "!test -z \"\$(git status -s -uno)\""
-    #git config --global alias.wc "!git ls-files -z | xargs -0 wc"
-    # git config --global push.default "simple"
+    _gitconfig="git config --global"
+
+    $_gitconfig user.name '10sr'
+    $_gitconfig user.email '8slashes+git@gmail.com'
+    $_gitconfig core.autocrlf false
+    $_gitconfig core.excludesfile '~/.gitignore'
+    $_gitconfig color.ui auto
+    $_gitconfig status.relativePaths false
+    $_gitconfig status.showUntrackedFiles normal
+    $_gitconfig log.date iso
+    type xz && \
+        $_gitconfig tar.txz.command "xz -c"
+
+    $_gitconfig alias.graph "log --graph --date-order -C -M --pretty=tformat:\"%C(green)%h%C(reset) %C(white)%ad%C(reset) %C(red)%an%C(reset)%C(yellow)%d%C(reset) %C(white bold)%s%C(reset)\" --all --date=iso -n 499"
+    $_gitconfig alias.st "status -s -b"
+    $_gitconfig alias.b "branch"
+    $_gitconfig alias.sb "show-branch"
+    $_gitconfig alias.ci "commit --verbose"
+    $_gitconfig alias.co "checkout"
+    $_gitconfig alias.cim "commit --verbose -m"
+    $_gitconfig alias.di "diff --color"
+    $_gitconfig alias.me "merge --no-ff --stat -v"
+    $_gitconfig alias.gr "grep -n"
+    $_gitconfig alias.ls "ls-files"
+    # $_gitconfig alias.ls "ls-files -v --full-name"
+    # $_gitconfig alias.ls "status -u -s ."
+    $_gitconfig alias.sl "!sl"
+    # $_gitconfig alias.my-ls "ls-files | xargs ls"
+    # $_gitconfig alias.ll "!git ls-files | xargs ls -l -CFG --color=auto --time-style=long-iso"
+    $_gitconfig alias.addi "add -i"
+    $_gitconfig alias.clean-p "!test -z \"\$(git status -s -uno)\""
+    #$_gitconfig alias.wc "!git ls-files -z | xargs -0 wc"
+    # $_gitconfig push.default "simple"
     if _iswindows; then
-        git config --global core.fileMode false
+        $_gitconfig core.fileMode false
     fi
 }
 
diff --git a/tmux.conf.pl b/tmux.conf.pl
index 4c3e920..06beb4e 100755
--- a/tmux.conf.pl
+++ b/tmux.conf.pl
@@ -9,7 +9,7 @@ my @tmux_setw_command  = ("setw", "-g");
 
 my %color_prefs = (
     "arch-aspireone" => "blue,white",
-    "darwin-mba.local" => "yellow,black",
+    "darwin-mba.local" => "red,white",
     "newkiwi" => "magenta,white"
     );
 my $color_def = "green,white";