diff --git a/kernel/kobject.h b/kernel/kobject.h
new file mode 100644
index 0000000..6b9d2aa
--- /dev/null
+++ b/kernel/kobject.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2016-2019 The University of Notre Dame This software is
+ * distributed under the GNU General Public License. See the file LICENSE
+ * for details.
+ */
+
+#ifndef KOBJECT_H
+#define KOBJECT_H
+
+#include "kernel/types.h"
+
+#include "fs.h"
+#include "device.h"
+#include "window.h"
+#include "console.h"
+#include "pipe.h"
+#include "event.h"
+
+struct kobject {
+	union {
+		struct device *device;
+		struct fs_dirent *file;
+		struct fs_dirent *dir;
+		struct window *window;
+		struct console *console;
+		struct pipe *pipe;
+	} data;
+	kobject_type_t type;
+	int refcount;
+	int offset;
+	char *tag;
+};
+
+struct kobject *kobject_create_file(struct fs_dirent *f);
+struct kobject *kobject_create_dir(struct fs_dirent *d);
+struct kobject *kobject_create_device(struct device *d);
+struct kobject *kobject_create_window(struct window *g);
+struct kobject *kobject_create_console(struct console *c);
+struct kobject *kobject_create_pipe(struct pipe *p);
+struct kobject *kobject_create_event();
+
+struct kobject *kobject_create_window_from_window( struct kobject *k, int x, int y, int w, int h );
+struct kobject *kobject_create_console_from_window( struct kobject *k );
+struct kobject *kobject_create_dir_from_dir( struct kobject *kobject, const char *name );
+struct kobject *kobject_create_file_from_dir( struct kobject *kobject, const char *name );
+
+struct kobject *kobject_addref(struct kobject *k);
+
+struct kobject * kobject_copy( struct kobject *ksrc );
+
+int kobject_read(struct kobject *kobject, void *buffer, int size, kernel_io_flags_t flags );
+int kobject_lookup( struct kobject *kobject, const char *name, struct kobject **newobj );
+int kobject_write(struct kobject *kobject, void *buffer, int size, kernel_io_flags_t flags );
+int kobject_list( struct kobject *kobject, void *buffer, int size );
+int kobject_size(struct kobject *kobject, int *dimensions, int n);
+int kobject_remove( struct kobject *kobject, const char *name );
+int kobject_close(struct kobject *kobject);
+
+int kobject_get_type(struct kobject *kobject);
+int kobject_set_tag(struct kobject *kobject, char *new_tag);
+int kobject_get_tag(struct kobject *kobject, char *buffer, int buffer_size);
+
+#endif