diff --git a/README.txt b/README.txt
index 3b12040..7a2d990 100644
--- a/README.txt
+++ b/README.txt
@@ -37,9 +37,13 @@ both `setup.sh` and `shrc`.
 Sourcing flow
 -------------
 
-$HOME/.profile           <= console login (maybe sourced from .{ba,z}sh_profile)
+When using `sh`, rc file for interactive use is found by `ENV` and it is usually
+set to `$HOME/.shrc`.
+
+
+$HOME/.{ba,z}shrc     <= bash, zsh
 |
-`--$HOME/.{ba,z}shrc
+`--$HOME/.shrc        <= sh
    |
    `--$HOME/.dotfiles/shrc
 
@@ -50,3 +54,5 @@ $HOME/.profile           <= console login (maybe sourced from .{ba,z}sh_profile)
    |--~/.dotfiles/xprofile
    |
    `--~/.dotfiles/xprograms
+
+
diff --git a/shrc b/shrc
index 1444ead..9e147ea 100755
--- a/shrc
+++ b/shrc
@@ -1127,51 +1127,56 @@ __my_alert_fail(){
 # http://archive.linux.or.jp/JF/JFdocs/Bash-Prompt-HOWTO-5.html
 # http://www.grapecity.com/japan/powernews/column/clang/047/page02.htm
 
-if $inzsh
+
+if $inbash || $inzsh
 then
-    __attr_beg=$'%{\033['
-    __attr_end='m%}'
-else
-    __attr_beg='\[\033['
-    __attr_end='m\]'
-fi
+    if $inzsh
+    then
+        __attr_beg=$'%{\033['
+        __attr_end='m%}'
+    else
+        __attr_beg='\[\033['
+        __attr_end='m\]'
+    fi
 
-__color_default="${__attr_beg}0${__attr_end}"
-
-__color_black="${__attr_beg}0;30${__attr_end}"
-__color_red="${__attr_beg}0;31${__attr_end}"
-__color_green="${__attr_beg}0;32${__attr_end}"
-__color_brown="${__attr_beg}0;33${__attr_end}"
-__color_blue="${__attr_beg}0;34${__attr_end}"
-__color_purple="${__attr_beg}0;35${__attr_end}"
-__color_cyan="${__attr_beg}0;36${__attr_end}"
-__color_light_gray="${__attr_beg}0;37${__attr_end}"
-
-__color_dark_gray="${__attr_beg}1;30${__attr_end}"
-__color_light_red="${__attr_beg}1;31${__attr_end}"
-__color_light_green="${__attr_beg}1;32${__attr_end}"
-__color_yellow="${__attr_beg}1;33${__attr_end}"
-__color_light_blue="${__attr_beg}1;34${__attr_end}"
-__color_light_purple="${__attr_beg}1;35${__attr_end}"
-__color_light_cyan="${__attr_beg}1;36${__attr_end}"
-__color_white="${__attr_beg}1;37${__attr_end}"
-
-__color_bg_black="${__attr_beg}40${__attr_end}"
-__color_bg_red="${__attr_beg}41${__attr_end}"
-__color_bg_green="${__attr_beg}42${__attr_end}"
-__color_bg_brown="${__attr_beg}43${__attr_end}"
-__color_bg_blue="${__attr_beg}44${__attr_end}"
-__color_bg_purple="${__attr_beg}45${__attr_end}"
-__color_bg_cyan="${__attr_beg}46${__attr_end}"
-__color_bg_light_gray="${__attr_beg}47${__attr_end}"
-
-__attr_underline="${__attr_beg}4${__attr_end}"
-__attr_reverse="${__attr_beg}7${__attr_end}"
-__attr_bold="${__attr_beg}1${__attr_end}"
+    __color_default="${__attr_beg}0${__attr_end}"
+
+    __color_black="${__attr_beg}0;30${__attr_end}"
+    __color_red="${__attr_beg}0;31${__attr_end}"
+    __color_green="${__attr_beg}0;32${__attr_end}"
+    __color_brown="${__attr_beg}0;33${__attr_end}"
+    __color_blue="${__attr_beg}0;34${__attr_end}"
+    __color_purple="${__attr_beg}0;35${__attr_end}"
+    __color_cyan="${__attr_beg}0;36${__attr_end}"
+    __color_light_gray="${__attr_beg}0;37${__attr_end}"
+
+    __color_dark_gray="${__attr_beg}1;30${__attr_end}"
+    __color_light_red="${__attr_beg}1;31${__attr_end}"
+    __color_light_green="${__attr_beg}1;32${__attr_end}"
+    __color_yellow="${__attr_beg}1;33${__attr_end}"
+    __color_light_blue="${__attr_beg}1;34${__attr_end}"
+    __color_light_purple="${__attr_beg}1;35${__attr_end}"
+    __color_light_cyan="${__attr_beg}1;36${__attr_end}"
+    __color_white="${__attr_beg}1;37${__attr_end}"
+
+    __color_bg_black="${__attr_beg}40${__attr_end}"
+    __color_bg_red="${__attr_beg}41${__attr_end}"
+    __color_bg_green="${__attr_beg}42${__attr_end}"
+    __color_bg_brown="${__attr_beg}43${__attr_end}"
+    __color_bg_blue="${__attr_beg}44${__attr_end}"
+    __color_bg_purple="${__attr_beg}45${__attr_end}"
+    __color_bg_cyan="${__attr_beg}46${__attr_end}"
+    __color_bg_light_gray="${__attr_beg}47${__attr_end}"
+
+    __attr_underline="${__attr_beg}4${__attr_end}"
+    __attr_reverse="${__attr_beg}7${__attr_end}"
+    __attr_bold="${__attr_beg}1${__attr_end}"
+fi
 
 # NOTE: tput is another easy way to set colors and background
 # For example, "$(tput setab 4)text$(tput sgr0)" print text with background
 # color blue.
+# http://www.ibm.com/developerworks/jp/linux/aix/library/au-learningtput/index.html
 
 if test "$TERM" != dumb
 then
@@ -1216,16 +1221,19 @@ __my_ps1_move_15left="\[\033[15D\]"
 # __my_ps1_right="${__my_ps1_save_pos}${__my_ps1_move_rightmost}"
 # ${__my_ps1_move_15left}\D{%Y/%m/%d %H:%M}${__my_ps1_restore_pos}
 
-$inbash && PS1="\
-${__my_c4}:: ${__my_cdef}[${__my_c2}\u@\H${__my_cdef}:${__my_c1}\w/${__my_cdef}]\$(__my_ps1_info)\n\
-${__my_c4}:: ${__my_cdef}\D{%Y/%m/%d %H:%M} \$(__my_ps1_jobs \j)${__my_ps1_str}\$(__my_alert_fail)${__my_ps1_right}\$ "
-
 if $inzsh
 then
     PROMPT="\
 ${__my_c4}:: ${__my_cdef}[${__my_c2}%n@%M${__my_cdef}:${__my_c1}%~/${__my_cdef}]\$(__my_ps1_info)
 ${__my_c4}:: ${__my_cdef}\$(__my_ps1_jobs)${__my_ps1_str}\$(__my_alert_fail)%# "
     RPROMPT="%D{%Y/%m/%d %H:%M}"
+elif $inbash
+then
+    PS1="\
+${__my_c4}:: ${__my_cdef}[${__my_c2}\u@\H${__my_cdef}:${__my_c1}\w/${__my_cdef}]\$(__my_ps1_info)\n\
+${__my_c4}:: ${__my_cdef}\D{%Y/%m/%d %H:%M} \$(__my_ps1_jobs \j)${__my_ps1_str}\$(__my_alert_fail)${__my_ps1_right}\$ "
+else
+    PS1="$(printf $(whoami)@$(hostname)\n$ )"
 fi
 
 __my_set_header_line(){