diff --git a/inclass-cp-example/linux.c b/inclass-cp-example/linux.c
new file mode 100644
index 0000000..99c503c
--- /dev/null
+++ b/inclass-cp-example/linux.c
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+
+// cp2 file1 file2
+int main(int argc, char * args[])
+{
+	int infile, outfile;
+	int numofbytesread;
+	char buffer[20];
+
+	infile = open(args[1], O_RDONLY, 0700);
+	if (infile == ENOENT)
+	{   
+			printf("Could not find file!");
+			return 0;    
+	}   
+
+	outfile = open(args[2], O_WRONLY | O_CREAT, 0700);
+
+	while((numofbytesread = read(infile, buffer, 20)))
+			write(outfile, buffer, numofbytesread);
+
+	close(infile);
+	close(outfile);
+	
+	return 0;
+}	
\ No newline at end of file
diff --git a/inclass-cp-example/windows.c b/inclass-cp-example/windows.c
new file mode 100644
index 0000000..6d1882c
--- /dev/null
+++ b/inclass-cp-example/windows.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <Windows.h>
+#define false 0
+#define true 1
+
+// cp2 file1 file2
+int main(int argc, char * args[])
+{
+	HANDLE infile;
+	HANDLE outfile;
+	DWORD numberofbytesread;
+	DWORD numberofbyteswritten;
+	char buffer[20];
+	
+	infile = CreateFileA(args[1], GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+	if (GetLastError() == ERROR_FILE_NOT_FOUND)
+	{
+		printf("Could not find file!");
+		return 0;
+	}
+	
+	outfile = CreateFileA(args[2], GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+	
+	while(true)
+	{
+		ReadFile(infile, buffer, 20, &numberofbytesread, NULL);
+		if (numberofbytesread == 0)
+			break;
+		WriteFile(outfile, buffer, numberofbytesread, &numberofbyteswritten, NULL);
+	}
+	
+	CloseHandle(infile);
+	CloseHandle(outfile);
+	
+	return 0;
+}
\ No newline at end of file