diff --git a/.gitignore b/.gitignore
index d5c9366..2d7e745 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
-./helloworld
-./helloworld.class
-./helloworld.exe
+helloworld
+helloworld.class
+HelloWorld.exe
+tests/__pycache__/*
diff --git a/helloworld.cs b/HelloWorld.cs
similarity index 82%
rename from helloworld.cs
rename to HelloWorld.cs
index 42a8e3a..a64f72d 100644
--- a/helloworld.cs
+++ b/HelloWorld.cs
@@ -18,11 +18,13 @@ namespace AniNIX {
         /// <summary>
         /// Print 'Hello world!'
         /// </summary>
-        public static void PrintHelloWorld() {
+        public static void PrintHelloWorld() { 
             Console.WriteLine("Hello world!");
         }
 
-        // Main
+        /// <summary>
+        /// Code entry point
+        /// </summary>
         public static void Main(string[] args) {
             HelloWorld.PrintHelloWorld();
             return;
diff --git a/Makefile b/Makefile
index 793e7f6..6de841a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,9 @@
 compile: c cs java bash php perl python
+pkgdirname != basename `git config remote.origin.url` | sed 's/.git$$//'
 
-install: compile
-	@echo This project cannot be installed.
+install: clean
+	mkdir -p ${pkgdir}/opt/aninix/${pkgdirname}/
+	rsync -avz --exclude=Makefile --exclude=LICENSE --exclude=.git* --exclude=README .  * ${pkgdir}/opt/aninix/${pkgdirname}/
 
 test: compile
 	python3 -m pytest
@@ -39,5 +41,5 @@ perl: helloworld.pl /usr/bin/perl
 python: helloworld.py /usr/bin/python3
 	#python3 ./helloworld.py
 
-cs: helloworld.cs /usr/bin/mono /usr/bin/mcs
-	mcs helloworld.cs
+cs: HelloWorld.cs /usr/bin/mono /usr/bin/mcs
+	mcs HelloWorld.cs
diff --git a/PKGBUILD b/PKGBUILD
index 2876458..cde05d8 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,21 +1,21 @@
 # Maintainer: Shikoba Kage <darkfeather@aninix.net>
-pkgname=cryptoworkbench
-pkgver=0.1.ac4a8cb406377081eb1c1de2a3abe482508d6f57
+pkgname=aninix-helloworld
+pkgver=0.1.1
 pkgver() {
     printf "0.1.""$(git rev-parse HEAD)"
 }
 pkgrel=1
 epoch=
-pkgdesc="AniNIX::CryptoWorkbench \\\\ Simple Cryptography Utility"
+pkgdesc="AniNIX::HelloWorld \\\\ Sample HelloWorld Source"
 arch=("x86_64")
-url="https://aninix.net/foundation/CryptoWorkbench"
+url="https://aninix.net/foundation/HelloWorld"
 license=('custom')
 groups=()
-depends=('mono>=5.0.0' 'curl' 'grep' 'bash>=4.4' 'git>=2.13')
-makedepends=('make>=4.2')
+depends=('bash>=4.4')
+makedepends=('make>=4.2' 'mono>5.0.0' 'php' 'perl' 'java-environment' 'python>=3.7' 'gcc')
 checkdepends=()
 optdepends=()
-provides=('cryptoworkbench')
+provides=('aninix-helloworld')
 conflicts=()
 replaces=()
 backup=()
@@ -36,7 +36,7 @@ build() {
 }
 
 check() {
-	printf 'quit\n\n' | make -C "${srcdir}/.." test
+	make -C "${srcdir}/.." test
 }
 
 package() {
diff --git a/helloworld.bash b/helloworld.bash
index 8dc340f..0de648e 100644
--- a/helloworld.bash
+++ b/helloworld.bash
@@ -12,11 +12,11 @@
 ### <summary>
 ### Prints 'Hello world!' 
 ### </summary>
-function helloWorld() { 
+function main() { 
     printf "Hello world!\n"
 }
 
 ## MAIN
-if [ `echo "$0" | egrep '(^|/)helloworld.bash'` ]; then
-    helloWorld
+if [ `basename "$0"` == "helloworld.bash" ]; then
+    main
 fi
diff --git a/helloworld.py b/helloworld.py
index 2449cad..945cb23 100644
--- a/helloworld.py
+++ b/helloworld.py
@@ -1,3 +1,3 @@
 #!/usr/bin/python3
 
-print('Hello World!\n');
+print('Hello world!');
diff --git a/tests/__pycache__/test_unit.cpython-37-PYTEST.pyc b/tests/__pycache__/test_unit.cpython-37-PYTEST.pyc
deleted file mode 100644
index 627b2d6..0000000
Binary files a/tests/__pycache__/test_unit.cpython-37-PYTEST.pyc and /dev/null differ
diff --git a/tests/test_unit.py b/tests/test_unit.py
index bc28811..9b47cb9 100644
--- a/tests/test_unit.py
+++ b/tests/test_unit.py
@@ -2,14 +2,64 @@ import os
 import re
 import shutil
 
-def checkOutput(output):
-    for line in output.split('\n'):
-        if line == 'Hello world!': return True
-    return False
+# c cs java bash php perl python
+ 
+def CheckOutput(output):
+    return output == 'Hello world!\n'
 
 def test_c():
     print(os.getcwd())
-    fh = os.popen("./helloworld", mode='r', buffering=-1)
+    fh = os.popen("make c &>/dev/null; ./helloworld", mode='r', buffering=-1)
     output = fh.read()
     retcode = fh.close()
-    assert retcode == None and checkOutput(output)
+    assert retcode == None and CheckOutput(output)
+
+def test_cs():
+    print(os.getcwd())
+    fh = os.popen("make cs &>/dev/null; mono ./HelloWorld.exe", mode='r', buffering=-1)
+    output = fh.read()
+    retcode = fh.close()
+    assert retcode == None and CheckOutput(output)
+
+def test_java():
+    print(os.getcwd())
+    fh = os.popen("make java &>/dev/null; java helloworld", mode='r', buffering=-1)
+    output = fh.read()
+    retcode = fh.close()
+    assert retcode == None and CheckOutput(output)
+
+def test_bash():
+    print(os.getcwd())
+    fh = os.popen("bash ./helloworld.bash", mode='r', buffering=-1)
+    output = fh.read()
+    retcode = fh.close()
+    assert retcode == None and CheckOutput(output)
+
+def test_bash():
+    print(os.getcwd())
+    fh = os.popen("bash ./helloworld.bash", mode='r', buffering=-1)
+    output = fh.read()
+    retcode = fh.close()
+    assert retcode == None and CheckOutput(output)
+
+def test_perl():
+    print(os.getcwd())
+    fh = os.popen("perl ./helloworld.pl", mode='r', buffering=-1)
+    output = fh.read()
+    retcode = fh.close()
+    assert retcode == None and CheckOutput(output)
+
+def test_php():
+    print(os.getcwd())
+    fh = os.popen("php ./helloworld.php", mode='r', buffering=-1)
+    output = fh.read()
+    retcode = fh.close()
+    assert retcode == None and CheckOutput(output)
+
+def test_python():
+    print(os.getcwd())
+    fh = os.popen("python3 ./helloworld.py", mode='r', buffering=-1)
+    output = fh.read()
+    retcode = fh.close()
+    assert retcode == None and CheckOutput(output)
+