arb  - Serial Port Arbitration

strm - Remote Access Connection Interface

icon - Icon Utilities

dict - Dictionary Manager

vm   - Virtual Memory

term - Terminal Manager

stdf - Standard File

snd  - Sound

ser  - Serial

rsrc - Resource Manager

pop! - Popup cdef

qdrw - Quickdraw Features

prty - Parity

ppc  - PPC Toolbox

powr - Power Manager

os   - Operating System

nmgr - Notification Manager

nlup - Standard NBP

misc - Miscellaneous

help - Help Manager

hdwr - Hardware

fxfr - File Transfer Manager

fs   - File System

font - Font Manager

fold - Folder Manager

evnt - Apple Events

edtn - Edition Manager

easy - Easy Access

ditl - AppenDITL Calls From CTB

dbac - Database Access Manager

crm  - Comm Resource Manager

conn - Connection Manager

alis - Alias Manager

addr - Addressing Mode