diff --git a/bellos_scripts/basic_math.bellos b/bellos_scripts/basic_math.bellos
index 02c1db2..74adac5 100644
--- a/bellos_scripts/basic_math.bellos
+++ b/bellos_scripts/basic_math.bellos
@@ -1,22 +1,22 @@
 #!/usr/bin/env bellos
-# File: file_operations.bellos
 
+# File: file_operations.bellos
 # Demonstrating file operations
 
 # Writing to a file
-echo "This is a test file" > test.txt
-echo "Adding another line" > test.txt
+write test.txt "This is a test file"
+append test.txt "Adding another line"
 
 # Reading from a file
 echo "Contents of test.txt:"
-cat test.txt
+read test.txt
 
-# Using a while loop to read file line by line
+# Using a loop to read file line by line
 echo "Reading file line by line:"
-while read -r line
+for line in $(read_lines test.txt)
 do
-    echo "Line: $line"
-done < test.txt
+    echo "Line: ${line}"
+done
 
 # Cleaning up
-rm test.txt
+delete test.txt
diff --git a/src/bellos.rs b/src/bellos.rs
index c5b945d..5d1af5f 100644
--- a/src/bellos.rs
+++ b/src/bellos.rs
@@ -6,9 +6,8 @@ mod utilities;
 use crate::interpreter::interpreter::Interpreter;
 use crate::lexer::lexer::Lexer;
 use crate::parser::parser::Parser;
-use crate::utilities::Token;
+use crate::utilities::utilities::Token;
 
-use glob::glob;
 use std::env;
 use std::fs::File;
 use std::io::{self, BufRead, Write};
diff --git a/src/executor/executor.rs b/src/executor/executor.rs
new file mode 100644
index 0000000..e69de29
diff --git a/src/executor/mod.rs b/src/executor/mod.rs
new file mode 100644
index 0000000..0c95fda
--- /dev/null
+++ b/src/executor/mod.rs
@@ -0,0 +1 @@
+pub mod executor;
diff --git a/src/interpreter/interpreter.rs b/src/interpreter/interpreter.rs
index 70036e4..bb26122 100644
--- a/src/interpreter/interpreter.rs
+++ b/src/interpreter/interpreter.rs
@@ -13,7 +13,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-use crate::utilities::ASTNode;
+use crate::utilities::utilities::ASTNode;
 
 use glob::glob;
 use std::collections::HashMap;
diff --git a/src/lexer/lexer.rs b/src/lexer/lexer.rs
index 03456d8..9988811 100644
--- a/src/lexer/lexer.rs
+++ b/src/lexer/lexer.rs
@@ -13,7 +13,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-use crate::utilities::Token;
+use crate::utilities::utilities::Token;
 
 pub struct Lexer {
     input: Vec<char>,
diff --git a/src/parser/parser.rs b/src/parser/parser.rs
index 101d4be..a639a3e 100644
--- a/src/parser/parser.rs
+++ b/src/parser/parser.rs
@@ -13,7 +13,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-use crate::utilities::{ASTNode, Token};
+use crate::utilities::utilities::{ASTNode, Token};
 
 pub struct Parser {
     tokens: Vec<Token>,
diff --git a/src/utilities/mod.rs b/src/utilities/mod.rs
new file mode 100644
index 0000000..89db166
--- /dev/null
+++ b/src/utilities/mod.rs
@@ -0,0 +1 @@
+pub mod utilities;
diff --git a/src/utilities.rs b/src/utilities/utilities.rs
similarity index 100%
rename from src/utilities.rs
rename to src/utilities/utilities.rs