diff --git a/test/.gitignore b/test/.gitignore
new file mode 100644
index 0000000..1a06816
--- /dev/null
+++ b/test/.gitignore
@@ -0,0 +1 @@
+results
diff --git a/test/distro.sh b/test/distro.sh
new file mode 100644
index 0000000..81b639b
--- /dev/null
+++ b/test/distro.sh
@@ -0,0 +1,151 @@
+#!/usr/bin/env sh
+# Detects which OS and if it is Linux then it will detect which Linux Distribution.
+
+OS=`uname -s`
+REV=`uname -r`
+MACH=`uname -m`
+
+if [ "${OS}" = "SunOS" ] ; then
+  OS=Solaris
+  ARCH=`uname -p`
+  OSSTR="${OS} ${REV}(${ARCH} `uname -v`)"
+
+elif [ "${OS}" = "AIX" ] ; then
+  OSSTR="${OS} `oslevel` (`oslevel -r`)"
+
+elif [ "${OS}" = "Linux" ] ; then
+  KERNEL=`uname -r`
+
+  if [ -f /etc/fedora-release ]; then
+    DIST=$(cat /etc/fedora-release | awk '{print $1}')
+    REV=`cat /etc/fedora-release | sed s/.*release\ // | sed s/\ .*//`
+
+  elif [ -f /etc/redhat-release ] ; then
+    DIST=$(cat /etc/redhat-release | awk '{print $1}')
+    if [ "${DIST}" = "CentOS" ]; then
+      DIST="CentOS"
+      IGNORE_OS_RELEASE=1 # https://bugs.centos.org/view.php?id=8359
+    elif [ "${DIST}" = "CloudLinux" ]; then
+      DIST="CloudLinux"
+    elif [ "${DIST}" = "Mandriva" ]; then
+      DIST="Mandriva"
+      PSEUDONAME=`cat /etc/mandriva-release | sed s/.*\(// | sed s/\)//`
+      REV=`cat /etc/mandriva-release | sed s/.*release\ // | sed s/\ .*//`
+    elif [ -f /etc/oracle-release ]; then
+      DIST="Oracle"
+    elif [ -f /etc/rockstor-release ]; then
+      DIST="Rockstor"
+    else
+      DIST="RedHat"
+    fi
+
+    PSEUDONAME=`cat /etc/redhat-release | sed s/.*\(// | sed s/\)//`
+    REV=`cat /etc/redhat-release | sed s/.*release\ // | sed s/\ .*//`
+
+  elif [ -f /etc/mandrake-release ] ; then
+    DIST='Mandrake'
+    PSEUDONAME=`cat /etc/mandrake-release | sed s/.*\(// | sed s/\)//`
+    REV=`cat /etc/mandrake-release | sed s/.*release\ // | sed s/\ .*//`
+
+  elif [ -f /etc/devuan_version ] ; then
+    DIST="Devuan `cat /etc/devuan_version`"
+    REV=""
+
+  elif [ -f /etc/debian_version ] ; then
+    DIST="Debian `cat /etc/debian_version`"
+    REV=""
+    IGNORE_OS_RELEASE=1
+    if [ -f /usr/bin/lsb_release ] ; then
+      ID=`lsb_release -i | awk -F ':' '{print $2}' | sed 's/	//g'`
+    fi
+    if [ "${ID}" = "Raspbian" ] ; then
+      DIST="Raspbian `cat /etc/debian_version`"
+    fi
+    if [ -f /usr/bin/pveversion ]; then
+      DIST="${DIST}/PVE `/usr/bin/pveversion | cut -d '/' -f 2`"
+    fi
+    if [ -f /usr/bin/pmgversion ]; then
+      # pmgversion requires root permissions to run, please add NOPASSWD setting to visudo.
+      DIST="${DIST}/PMG `sudo /usr/bin/pmgversion | cut -d '/' -f 2`"
+    fi
+    if [ -f /etc/dogtag ]; then
+      DIST=`cat /etc/dogtag`
+    fi
+
+  elif [ -f /etc/gentoo-release ] ; then
+    DIST="Gentoo"
+    REV=$(tr -d '[[:alpha:]]' </etc/gentoo-release | tr -d " ")
+
+  elif [ -f /etc/arch-release ] ; then
+    DIST="Arch Linux"
+    REV="" # Omit version since Arch Linux uses rolling releases
+    IGNORE_LSB=1 # /etc/lsb-release would overwrite $REV with "rolling"
+
+  elif [ -f /etc/photon-release ] ; then
+    DIST=$(head -1 < /etc/photon-release)
+    REV=$(sed -n -e 's/^.*PHOTON_BUILD_NUMBER=//p' /etc/photon-release)
+    IGNORE_LSB=1 # photon os does not have /etc/lsb-release nor lsb_release
+
+  elif [ -f /etc/openwrt_version ] ; then
+    DIST="OpenWrt"
+    REV=$(cat /etc/openwrt_version)
+
+  elif [ -f /etc/pld-release ] ; then
+    DIST=$(cat /etc/pld-release)
+    REV=""
+
+  elif [ -f /etc/SuSE-release ] ; then
+    DIST=$(echo SLES $(grep VERSION /etc/SuSE-release | cut -d = -f 2 | tr -d " "))
+    REV=$(echo SP$(grep PATCHLEVEL /etc/SuSE-release | cut -d = -f 2 | tr -d " "))
+  fi
+
+  if [ -x "$(command -v  awk)" ];  then # some distros do not ship with awk
+    if [ "`uname -a | awk '{print $(NF)}'`" = "DD-WRT" ] ; then
+      DIST="dd-wrt"
+    fi
+    if [ "`uname -a | awk '{print $(NF)}'`" = "ASUSWRT-Merlin" ] ; then
+      DIST="ASUSWRT-Merlin"
+      REV=`nvram show | grep buildno= | egrep -o '[0-9].[0-9].[0-9]'` > /dev/null 2>&1
+    fi
+  fi
+
+  # try standardized os version methods
+  if [ -f /etc/os-release -a "${IGNORE_OS_RELEASE}" != 1 ] ; then
+    . /etc/os-release
+    STD_DIST="$NAME"
+    STD_REV="$VERSION_ID"
+  elif [ -f /etc/lsb-release -a "${IGNORE_LSB}" != 1 ] ; then
+    STD_DIST=$(lsb_release -si)
+    STD_REV=$(lsb_release -sr)
+  fi
+  if [ -n "${STD_DIST}" ]; then
+    DIST="${STD_DIST}"
+  fi
+  if [ -n "${STD_REV}" ]; then
+    REV="${STD_REV}"
+  fi
+
+  if [ -n "${REV}" ]; then
+    OSSTR="${DIST} ${REV}"
+  else
+    OSSTR="${DIST}"
+  fi
+
+elif [ "${OS}" = "Darwin" ] ; then
+  if [ -f /usr/bin/sw_vers ] ; then
+    OSSTR=`/usr/bin/sw_vers|grep -v Build|sed 's/^.*:.//'| tr "\n" ' '`
+  fi
+
+elif [ "${OS}" = "FreeBSD" ] ; then
+  if [ -f /etc/version ] ; then
+    DIST=$(cat /etc/version | cut -d'-' -f 1)
+    if [ "${DIST}" = "FreeNAS" ]; then
+      OSSTR=`cat /etc/version | cut -d' ' -f 1`
+    fi
+  else
+    OSSTR=`/usr/bin/uname -mior`
+  fi
+fi
+
+echo ${OSSTR}
+
diff --git a/test/getenv.sh b/test/getenv.sh
new file mode 100755
index 0000000..3173ab9
--- /dev/null
+++ b/test/getenv.sh
@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+readonly getenv_dir="$(cd "$(dirname -- "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
+get_os_version() {
+  local os_version=
+  local utils_version=
+
+  os_version="$(bash "${getenv_dir}/distro.sh" | sed 's/ /_/g')"
+
+  bash_version="$(bash --version | sed -n '/bash, [Vv]ersion/p' | sed 's/.*[Vv]ersion \([0-9.]\+\).*/\1/g')"
+
+  if utils_version="$(readlink --version 2>&1 | grep -E "BusyBox")" ; then
+    utils_version="$(sed 's/\(BusyBox v[0-9\.]\+\).*/\1/g' <<<${utils_version})"
+  elif utils_version="$(readlink --version 2>&1 | grep -E "GNU core")" ; then
+    utils_version="$(sed 's/.*\(GNU [[:alnum:]]\+\). \([0-9\.]\+\).*/\1 \2/g' <<<${utils_version})"
+  else
+    utils_version="utils_unkown"
+  fi
+  # Replace " " with _
+  utils_version="${utils_version// /_}"
+
+  echo "${os_version}_${bash_version:+bash_${bash_version}}_${utils_version}"
+}
+
+get_os_version
diff --git a/test/savetest.sh b/test/savetest.sh
new file mode 100755
index 0000000..3bb35b5
--- /dev/null
+++ b/test/savetest.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+savetest() {
+  local target_file=
+  readonly savetest_dir="$(cd "$(dirname -- "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
+
+  target_dir="${savetest_dir}/results"
+  mkdir -p "${target_dir}"
+
+  target_file="${target_dir}/$("${savetest_dir}/getenv.sh")_result.log"
+
+  "${savetest_dir}/test_rdlink.sh" >"${target_file}" 2>&1
+}
+
+savetest