diff --git a/README.md b/README.md
index e5ef3d0..036e687 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# zsh custom build 
+# zsh Custom Build 
 
 > 
 
@@ -10,4 +10,49 @@
 
 ## Table of Contents
 
-- [Installation](#installation)
+- [Building](#building)
+
+## Building
+
+building on debian sistem
+
+
+- From root shell: 
+
+apt install dpkg-dev devscripts
+
+cat /etc/apt/source.list
+
+if not enabled add additional line for source packages ( deb-src )
+
+apt update
+
+apt build-dep zsh
+
+- From build user shell:
+
+apt source zsh
+
+cd to zsh source dir 
+
+wget -O .env ""
+
+adjusting .env 
+
+wget -O .env.lib ""
+
+adjusting .env.lib     
+
+wget -O configure.gen ""
+
+chmod +x configure.gen
+
+./configure.gen > configure.own.tmp
+
+cat configure.own.tmp (checking configure.own.tmp)
+
+bash configure.own.tmp
+
+make 
+
+make install ( make DESTDIR=path install )
diff --git a/config/configure.gen b/config/configure.gen
new file mode 100755
index 0000000..113c883
--- /dev/null
+++ b/config/configure.gen
@@ -0,0 +1,8 @@
+#!/bin/sh
+source .env
+source .env.lib
+CONFIG="--prefix=$PREFIX --datarootdir=$ZSH_DATA --bindir=$ZSH_BIN --enable-etcdir=$ZSH_ETC --enable-zshenv=$ZSH_ENV --enable-zlogin=$ZSH_LOGIN --enable-zlogout=$ZSH_LOGOUT --enable-zprofile=$ZSH_PROFILE --enable-zshrc=$ZSH_ZSHRC --enable-fndir=$ZSH_FUNCTIONS --enable-site-fndir=$ZSH_SITE_FUNCTIONS --enable-scriptdir=$ZSH_SCRIPT --enable-runhelpdir=$ZSH_HELP --infodir=$ZSH_INFO --docdir=$ZSH_DOC"
+ENABLED_OPT="--enable-multibyte --enable-zsh-secure-free --enable-maildir-support --with-tcsetpgrp --enable-cap --enable-pcre --enable-readnullcmd=pager --enable-unicode9 --enable-zsh-valgrind"
+DISABLED_OPT="--disable-ansi2knr"
+TERMLIB='--with-term-lib="ncursesw tinfo"'
+echo ./configure $CONFIG $ENABLED_OPT $DISABLED_OPT $TERMLIB $LIBRARY
diff --git a/config/env.android b/config/env.android
new file mode 100644
index 0000000..54507a3
--- /dev/null
+++ b/config/env.android
@@ -0,0 +1,14 @@
+PREFIX=/data/zsh
+ZSH_BIN=/system/bin.d                                                                                                                                                                                                                              
+ZSH_ETC=/etc/zsh
+ZSH_ENV=$ZSH_ETC/zshenv
+ZSH_LOGIN=$ZSH_ETC/zlogin
+ZSH_LOGOUT=$ZSH_ETC/zlogout
+ZSH_PROFILE=ZSH_ETC/zprofile
+ZSH_ZSHRC=$ZSH_ETC/zshrc
+ZSH_SCRIPT=$PREFIX/script
+ZSH_FUNCTIONS=$PREFIX/functions
+ZSH_SITE_FUNCTIONS=$PREFIX/site-functions
+ZSH_HELP=$PREFIX/help
+ZSH_INFO=$PREFIX/info
+ZSH_DOC=$PREFIX/doc
diff --git a/config/env.empty b/config/env.empty
new file mode 100644
index 0000000..32503e5
--- /dev/null
+++ b/config/env.empty
@@ -0,0 +1,14 @@
+PREFIX=
+ZSH_BIN=                                                                                                                                                                                                                                      
+ZSH_ETC=
+ZSH_ENV=$ZSH_ETC/zshenv
+ZSH_LOGIN=$ZSH_ETC/zlogin
+ZSH_LOGOUT=$ZSH_ETC/zlogout
+ZSH_PROFILE=ZSH_ETC/zprofile
+ZSH_ZSHRC=$ZSH_ETC/zshrc
+ZSH_SCRIPT=
+ZSH_FUNCTIONS=
+ZSH_SITE_FUNCTIONS=
+ZSH_HELP=
+ZSH_INFO=
+ZSH_DOC=
diff --git a/config/env.lib b/config/env.lib
new file mode 100644
index 0000000..7d3e377
--- /dev/null
+++ b/config/env.lib
@@ -0,0 +1,4 @@
+STATIC="--disable-dynamic --disable-dynamic-nss --enable-ldflags=-static"
+SHARED="--disable-static"
+#LIBRARY=$STATIC
+LIBRARY=$SHARED