!!!Optimized Systems Software OS/A+ Version 1.1; Copyright (C) 1981 OSS, Inc.
!!ATR image
* [OSS_OS-A+_1.2e_and_EASMD_1.0.atr]
!!Manual
* [OSS_OS-A+_version_1.1.pdf] ; size: 1.2 MB
* [OSS OS/A+ version 1.1 May 1981|OSS_OS_A_Plus_Ver_1_1.pdf] ; size: 4.9 MB ; thanks to Atarimania! :-)