Package nulib2

Disk and file archive program for NuFX (.SDK, .BXY) archives

http://nulib.com/

NuLib2 is a command-line file archiver for Apple II archives. It can operate
on ShrinkIt and Binary II files (.shk, .sdk, .bxy, .bse, .bny, .bqy).

General Commands
Command Description
nulib2 package and compress (archive) files