OS-9 Level One V3.01.01:
- The LogBook file in the SYS directory has been removed.

OS-9 Level One V3.01.00:
- New common version among all releases of OS-9 for the CoCo
- Many commands have been updated and optimized:
   o For size reasons, command help information is no longer embedded in the
     utilites, but is instead available through the helpmsg file in /DD/SYS
   o date, dir, mdir, procs and verify now require a dash (-) before options
   o format now has a cluster option and now shows the correct number of
     good sectors on large sector devices
   o Numerous commands have been optimized for size
   o cputype, ded, devs, disasm, dmode and irqs have been added to the
     CMDS directory
   o cmp, error, help and touch have been rewritten in assembly for size
   o copy has been enhanced to include OS-9/68K-like features

OS-9 Level One V2.01.00 'Phoenix' Release (11/04/2002):
- Defs files now have properly terminated lines and 'pag' is now emitted
  as a comment.
- SYS/password now references /DD instead of /D0
- ASM now assembles 6309 op-codes