diff --git a/Task 3 - Environment variables and execve()/task3.c b/Task 3 - Environment variables and execve()/task3.c
new file mode 100644
index 0000000000000000000000000000000000000000..a93b870e76bb5fbab42572144b9ef987e64d32e3
--- /dev/null
+++ b/Task 3 - Environment variables and execve()/task3.c	
@@ -0,0 +1,17 @@
+#include<stdio.h>
+#include<stdlib.h>
+//STUDENT ID: 20042129
+extern char **environ;
+
+int main()
+{
+    char *argv[2];
+    
+    argv[0] = "/usr/bin/env";
+    argv[1] = NULL;
+    
+    execve("/usr/bin/env", argv, NULL);
+    //execve("/usr/bin/env",argv, environ);
+
+    return 0;
+}
diff --git a/Task 5 - Environment Variables and Set-UID programs/task5.c b/Task 5 - Environment Variables and Set-UID programs/task5.c
new file mode 100644
index 0000000000000000000000000000000000000000..8fd85a0492de07a48d5494a4155d17cfd7967923
--- /dev/null
+++ b/Task 5 - Environment Variables and Set-UID programs/task5.c	
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+extern char **environ;
+void main()
+{
+	int i = 0;
+	while (environ[i] != NULL) {
+		printf("%s\n", environ[i]);
+		i++;
+	}
+}
\ No newline at end of file