diff --git a/command/scripts/lcompile.sh b/command/scripts/lcompile.sh
old mode 100644
new mode 100755
index b530bcd..bb146aa
--- a/command/scripts/lcompile.sh
+++ b/command/scripts/lcompile.sh
@@ -1,23 +1,23 @@
-#!/bin/bash
-currentDirectory=$(pwd)
-cmakeListsPath="${currentDirectory}/CMakeLists.txt"
-
-if [ ! -f "$cmakeListsPath" ]; then
-  echo "No CMakeLists.txt in current directory, please check."
-  exit 1
-fi
-
-echo "Start generating and compiling..."
-
-buildFolderPath="./build"
-
-if [ ! -d "$buildFolderPath" ]; then
-  mkdir -p "$buildFolderPath"
-  echo "build folder created."
-fi
-
-cmake -G "Unix Makefiles" -D CMAKE_CXX_COMPILER=/usr/bin/g++ -S . -B ./build/
-
-if [ $? -eq 0 ]; then
-  cmake --build ./build/ --config DEBUG
-fi
+#!/bin/bash
+currentDirectory=$(pwd)
+cmakeListsPath="${currentDirectory}/CMakeLists.txt"
+
+if [ ! -f "$cmakeListsPath" ]; then
+  echo "No CMakeLists.txt in current directory, please check."
+  exit 1
+fi
+
+echo "Start generating and compiling..."
+
+buildFolderPath="./build"
+
+if [ ! -d "$buildFolderPath" ]; then
+  mkdir -p "$buildFolderPath"
+  echo "build folder created."
+fi
+
+cmake -G "Unix Makefiles" -D CMAKE_CXX_COMPILER=/usr/bin/g++ -S . -B ./build/
+
+if [ $? -eq 0 ]; then
+  cmake --build ./build/ --config DEBUG
+fi
diff --git a/command/scripts/llaunch.sh b/command/scripts/llaunch.sh
old mode 100644
new mode 100755
index 49e549a..4518c0b
--- a/command/scripts/llaunch.sh
+++ b/command/scripts/llaunch.sh
@@ -1,45 +1,45 @@
-#!/bin/bash
-currentDirectory=$(pwd)
-cmakeListsPath="${currentDirectory}/CMakeLists.txt"
-
-if [ ! -f "$cmakeListsPath" ]; then
-  echo "No CMakeLists.txt in current directory, please check."
-  exit 1
-fi
-
-echo "Start generating and compiling..."
-
-buildFolderPath="./build"
-
-if [ ! -d "$buildFolderPath" ]; then
-  mkdir -p "$buildFolderPath"
-  echo "build folder created."
-fi
-
-cmake -G "Unix Makefiles" -D CMAKE_CXX_COMPILER=/usr/bin/g++ -S . -B ./build/
-
-if [ $? -eq 0 ]; then
-  cmake --build ./build/ --config DEBUG
-  if [ $? -eq 0 ]; then
-    content=$(<"./CMakeLists.txt")
-    exePath=""
-    while IFS= read -r line; do
-      if [[ $line == "set(MY_EXECUTABLE_NAME"* ]]; then
-        pattern="\"([^\"]+)\""
-        if [[ $line =~ $pattern ]]; then
-          contentInParentheses="${BASH_REMATCH[1]}"
-          result=($contentInParentheses)
-          exePath="./build/bin/${result[0]}"
-          echo "start running as follows..."
-          echo "=================================================="
-        fi
-      fi
-    done <<<"$content"
-    # execute the binary file
-    if [ -n "$exePath" ]; then
-      $exePath
-    else
-      echo "cannot find executable file path"
-    fi
-  fi
-fi
+#!/bin/bash
+currentDirectory=$(pwd)
+cmakeListsPath="${currentDirectory}/CMakeLists.txt"
+
+if [ ! -f "$cmakeListsPath" ]; then
+  echo "No CMakeLists.txt in current directory, please check."
+  exit 1
+fi
+
+echo "Start generating and compiling..."
+
+buildFolderPath="./build"
+
+if [ ! -d "$buildFolderPath" ]; then
+  mkdir -p "$buildFolderPath"
+  echo "build folder created."
+fi
+
+cmake -G "Unix Makefiles" -D CMAKE_CXX_COMPILER=/usr/bin/g++ -S . -B ./build/
+
+if [ $? -eq 0 ]; then
+  cmake --build ./build/ --config DEBUG
+  if [ $? -eq 0 ]; then
+    content=$(<"./CMakeLists.txt")
+    exePath=""
+    while IFS= read -r line; do
+      if [[ $line == "set(MY_EXECUTABLE_NAME"* ]]; then
+        pattern="\"([^\"]+)\""
+        if [[ $line =~ $pattern ]]; then
+          contentInParentheses="${BASH_REMATCH[1]}"
+          result=($contentInParentheses)
+          exePath="./build/bin/${result[0]}"
+          echo "start running as follows..."
+          echo "=================================================="
+        fi
+      fi
+    done <<<"$content"
+    # execute the binary file
+    if [ -n "$exePath" ]; then
+      $exePath
+    else
+      echo "cannot find executable file path"
+    fi
+  fi
+fi
diff --git a/command/scripts/lrun.sh b/command/scripts/lrun.sh
old mode 100644
new mode 100755
index 8dec0c3..0c6264e
--- a/command/scripts/lrun.sh
+++ b/command/scripts/lrun.sh
@@ -1,18 +1,18 @@
-content=$(<"./CMakeLists.txt")
-exePath=""
-while IFS= read -r line; do
-  if [[ $line == "set(MY_EXECUTABLE_NAME"* ]]; then
-    pattern="\"([^\"]+)\""
-    if [[ $line =~ $pattern ]]; then
-      contentInParentheses="${BASH_REMATCH[1]}"
-      result=($contentInParentheses)
-      exePath="./build/bin/${result[0]}"
-    fi
-  fi
-done <<<"$content"
-
-if [ -n "$exePath" ]; then
-  $exePath
-else
-  echo "cannot find executable file path"
-fi
+content=$(<"./CMakeLists.txt")
+exePath=""
+while IFS= read -r line; do
+  if [[ $line == "set(MY_EXECUTABLE_NAME"* ]]; then
+    pattern="\"([^\"]+)\""
+    if [[ $line =~ $pattern ]]; then
+      contentInParentheses="${BASH_REMATCH[1]}"
+      result=($contentInParentheses)
+      exePath="./build/bin/${result[0]}"
+    fi
+  fi
+done <<<"$content"
+
+if [ -n "$exePath" ]; then
+  $exePath
+else
+  echo "cannot find executable file path"
+fi
diff --git a/scripts/lcompile.sh b/scripts/lcompile.sh
old mode 100644
new mode 100755
index b530bcd..bb146aa
--- a/scripts/lcompile.sh
+++ b/scripts/lcompile.sh
@@ -1,23 +1,23 @@
-#!/bin/bash
-currentDirectory=$(pwd)
-cmakeListsPath="${currentDirectory}/CMakeLists.txt"
-
-if [ ! -f "$cmakeListsPath" ]; then
-  echo "No CMakeLists.txt in current directory, please check."
-  exit 1
-fi
-
-echo "Start generating and compiling..."
-
-buildFolderPath="./build"
-
-if [ ! -d "$buildFolderPath" ]; then
-  mkdir -p "$buildFolderPath"
-  echo "build folder created."
-fi
-
-cmake -G "Unix Makefiles" -D CMAKE_CXX_COMPILER=/usr/bin/g++ -S . -B ./build/
-
-if [ $? -eq 0 ]; then
-  cmake --build ./build/ --config DEBUG
-fi
+#!/bin/bash
+currentDirectory=$(pwd)
+cmakeListsPath="${currentDirectory}/CMakeLists.txt"
+
+if [ ! -f "$cmakeListsPath" ]; then
+  echo "No CMakeLists.txt in current directory, please check."
+  exit 1
+fi
+
+echo "Start generating and compiling..."
+
+buildFolderPath="./build"
+
+if [ ! -d "$buildFolderPath" ]; then
+  mkdir -p "$buildFolderPath"
+  echo "build folder created."
+fi
+
+cmake -G "Unix Makefiles" -D CMAKE_CXX_COMPILER=/usr/bin/g++ -S . -B ./build/
+
+if [ $? -eq 0 ]; then
+  cmake --build ./build/ --config DEBUG
+fi
diff --git a/scripts/llaunch.sh b/scripts/llaunch.sh
old mode 100644
new mode 100755
index 49e549a..4518c0b
--- a/scripts/llaunch.sh
+++ b/scripts/llaunch.sh
@@ -1,45 +1,45 @@
-#!/bin/bash
-currentDirectory=$(pwd)
-cmakeListsPath="${currentDirectory}/CMakeLists.txt"
-
-if [ ! -f "$cmakeListsPath" ]; then
-  echo "No CMakeLists.txt in current directory, please check."
-  exit 1
-fi
-
-echo "Start generating and compiling..."
-
-buildFolderPath="./build"
-
-if [ ! -d "$buildFolderPath" ]; then
-  mkdir -p "$buildFolderPath"
-  echo "build folder created."
-fi
-
-cmake -G "Unix Makefiles" -D CMAKE_CXX_COMPILER=/usr/bin/g++ -S . -B ./build/
-
-if [ $? -eq 0 ]; then
-  cmake --build ./build/ --config DEBUG
-  if [ $? -eq 0 ]; then
-    content=$(<"./CMakeLists.txt")
-    exePath=""
-    while IFS= read -r line; do
-      if [[ $line == "set(MY_EXECUTABLE_NAME"* ]]; then
-        pattern="\"([^\"]+)\""
-        if [[ $line =~ $pattern ]]; then
-          contentInParentheses="${BASH_REMATCH[1]}"
-          result=($contentInParentheses)
-          exePath="./build/bin/${result[0]}"
-          echo "start running as follows..."
-          echo "=================================================="
-        fi
-      fi
-    done <<<"$content"
-    # execute the binary file
-    if [ -n "$exePath" ]; then
-      $exePath
-    else
-      echo "cannot find executable file path"
-    fi
-  fi
-fi
+#!/bin/bash
+currentDirectory=$(pwd)
+cmakeListsPath="${currentDirectory}/CMakeLists.txt"
+
+if [ ! -f "$cmakeListsPath" ]; then
+  echo "No CMakeLists.txt in current directory, please check."
+  exit 1
+fi
+
+echo "Start generating and compiling..."
+
+buildFolderPath="./build"
+
+if [ ! -d "$buildFolderPath" ]; then
+  mkdir -p "$buildFolderPath"
+  echo "build folder created."
+fi
+
+cmake -G "Unix Makefiles" -D CMAKE_CXX_COMPILER=/usr/bin/g++ -S . -B ./build/
+
+if [ $? -eq 0 ]; then
+  cmake --build ./build/ --config DEBUG
+  if [ $? -eq 0 ]; then
+    content=$(<"./CMakeLists.txt")
+    exePath=""
+    while IFS= read -r line; do
+      if [[ $line == "set(MY_EXECUTABLE_NAME"* ]]; then
+        pattern="\"([^\"]+)\""
+        if [[ $line =~ $pattern ]]; then
+          contentInParentheses="${BASH_REMATCH[1]}"
+          result=($contentInParentheses)
+          exePath="./build/bin/${result[0]}"
+          echo "start running as follows..."
+          echo "=================================================="
+        fi
+      fi
+    done <<<"$content"
+    # execute the binary file
+    if [ -n "$exePath" ]; then
+      $exePath
+    else
+      echo "cannot find executable file path"
+    fi
+  fi
+fi
diff --git a/scripts/lrun.sh b/scripts/lrun.sh
old mode 100644
new mode 100755
index 8dec0c3..0c6264e
--- a/scripts/lrun.sh
+++ b/scripts/lrun.sh
@@ -1,18 +1,18 @@
-content=$(<"./CMakeLists.txt")
-exePath=""
-while IFS= read -r line; do
-  if [[ $line == "set(MY_EXECUTABLE_NAME"* ]]; then
-    pattern="\"([^\"]+)\""
-    if [[ $line =~ $pattern ]]; then
-      contentInParentheses="${BASH_REMATCH[1]}"
-      result=($contentInParentheses)
-      exePath="./build/bin/${result[0]}"
-    fi
-  fi
-done <<<"$content"
-
-if [ -n "$exePath" ]; then
-  $exePath
-else
-  echo "cannot find executable file path"
-fi
+content=$(<"./CMakeLists.txt")
+exePath=""
+while IFS= read -r line; do
+  if [[ $line == "set(MY_EXECUTABLE_NAME"* ]]; then
+    pattern="\"([^\"]+)\""
+    if [[ $line =~ $pattern ]]; then
+      contentInParentheses="${BASH_REMATCH[1]}"
+      result=($contentInParentheses)
+      exePath="./build/bin/${result[0]}"
+    fi
+  fi
+done <<<"$content"
+
+if [ -n "$exePath" ]; then
+  $exePath
+else
+  echo "cannot find executable file path"
+fi