diff --git a/.sources b/.sources
deleted file mode 100644
index 1a045a3..0000000
--- a/.sources
+++ /dev/null
@@ -1,3 +0,0 @@
-# Sources list
-debian=""
-openbsd="test"
diff --git a/Makefile b/Makefile
index 84d7737..f92bc3e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,4 @@
 install:
 	cp $PWD/shemum /usr/bin/shemum
-	cp $PWD/.env $HOME/.env
-	cp $PWD/.sources $HOME/.sources
 clean:
 	rm -f /usr/bin/shemum
diff --git a/shemum b/shemum
index a5c3a29..141698b 100755
--- a/shemum
+++ b/shemum
@@ -4,11 +4,12 @@
 # Date: 9.18.2024
 
 # Debug mode
+# To enable debug mode remove the comment.
 # Default: true
 DEBUG=true
 
 # Debug mode check 
-if [ $DEBUG ]; then
+if [$DEBUG -eq true]
   set +x
 fi
 
@@ -21,112 +22,68 @@ ROOT_PATH="$HOME/Machines"
 ISO_PATH="$ROOT_PATH/$OS_NAME/$OS_NAME.iso"
 IMG_PATH="$ROOT_PATH/$OS_NAME/$OS_NAME.img"
 
-# Sources default values
-#. ".env"
+# Sources defualt values
+. ".env"
 
 # Sources virtual machine specific values
-#. "$ROOT_PATH/$OS_NAME/.env"
+. "$ROOT_PATH/$OS_NAME/.env"
 
-# Functions
-
-# Defines install image source
-source() {
-  while read LINE; do
-    if [ $LINE == $OS_NAME* ]; then
-      $OS_NAME=$LINE
-    fi
-  done < .sources
-}
-
-check() {
-  if [ -z $OS_NAME ]; then
-    error "Operating system is not defined"
-  fi
-  if [ -z $INSTALL_IMG ]; then
-    info "$OS_NAME source not set, please update your .sources file"
-  fi
-
-}
-
-error() {
-  printf "$@" >&2
-  exit 1
-}
-
-warn() {
-  printf "$@" >&2
-}
-
-info() {
-  printf "$@" >&1
-}
-
-# Virtual machine removal
-remove() {
-  rm -r $ROOT_PATH/$OS_NAME 
-}
-
-# Virtual machine start without a console
-start() {
-  qemu-system-x86_64 -boot c                            \
-                       -display none                    \
-                       -drive file=$IMG_PATH,format=raw \
-                       -m $RAM -smp $CPU
-}
-
-# Virtual machine start with a console
-console() {
-  qemu-system-x86_64 -boot c                    \
-                       -display curses            \
-                       -drive file=$IMG_PATH,format=raw \
-                       -m $RAM -smp $CPU
-}
-
-# Virtual machine initialization with a console
-init() {
-  def_os_source
-  mkdir -p "$ROOT_PATH/$OS_NAME"
-  qemu-img create $IMG_PATH $DISK_SIZE
-  if [ ! -f $ISO_PATH ] && [ ! -z $INSTALL_IMG ]; then
-    info "Fetching $OSNAME installer at: $INSTALL_IMG"
-    curl -o $ISO_PATH $INSTALL_IMG
-  elif [ ! -z $INSTALL_IMG ]; then
-    info "Current INSTALL_IMG for $OS_NAME: $ISO_PATH"
-  else
-    error "Install image path is missing"
-  fi
-  qemu-system-x86_64 -boot d                          \
-                    -display curses                   \
-                    -drive file=$ISO_PATH,media=cdrom \
-                    -drive file=$IMG_PATH,format=raw  \
-                    -m $RAM -smp $CPU
-}
-
-# Display usage
-usage() {
-  printf "Usage: shemum [init] <virtual machine name> <disk size>"
-  printf " init        initialize a virtual machine"
-  printf " start       start a QEMU virtual machine without console output"
-  printf " console     start a QEMU virtual machine with console output"
-  printf " remove      remove virtual machine directory and all it's contents"
-}
+# Defines install image repository.
+case $OS_NAME in
+  "openbsd")
+    INSTALL_IMG="https://cdn.openbsd.org/pub/OpenBSD/7.5/i386/cd75.iso"
+  ;;
+  "debian")
+    INSTALL_IMG=""
+  ;;
+  *)
+    echo "$OS_NAME is not an option" >&2
+    exit 1
+  ;;
+esac
 
 # Options
 case $OPTION in
+  # Initializes the VM and starts the installer image.
   "init")
-    init
+    mkdir -p "$ROOT_PATH/$OS_NAME"
+    qemu-img create $IMG_PATH $DISK_SIZE
+    if [ ! -f $ISO_PATH ] && [ ! -z $INSTALL_IMG ]; then
+      echo $INSTALL_IMG
+      curl -o $ISO_PATH $INSTALL_IMG
+    elif [ ! -z $INSTALL_IMG ]; then
+      echo "Current INSTALL_IMG for $OS_NAME: $ISO_PATH"
+    else:
+      echo "Install image path is missing" >&2
+      exit 1
+    fi
+    qemu-system-x86_64 -boot d                    \
+                      -display curses            \
+                      -drive file=$ISO_PATH,media=cdrom        \
+                      -drive file=$IMG_PATH,format=raw \
+                      -m $RAM -smp $CPU
   ;;
   "console")
-    console
+    qemu-system-x86_64 -boot c                    \
+                       -display curses            \
+                       -drive file=$IMG_PATH,format=raw \
+                       -m $RAM -smp $CPU
   ;;
   "start")
-    start
+    qemu-system-x86_64 -boot c                    \
+                       -display none                 \
+                       -drive file=$IMG_PATH,format=raw \
+                       -m $RAM -smp $CPU
   ;;
   "remove")
-    remove
+    rm -r $ROOT_PATH/$OS_NAME
   ;;
   *)
-    usage
+    echo "Usage: shemum [init] <virtual machine name> <disk size>"
+    echo " init        initialize a virtual machine"
+    echo " start       start a QEMU virtual machine without console output"
+    echo " console     start a QEMU virtual machine with console output"
+    echo " remove      remove virtual machine directory and all it's contents"
 esac