This UIC contains the I/D space version of APL-11. It must be ran on a RSX-11M-PLUS V2.1 System supporting Supervisor Mode Libraries and I/D Space Tasks. Included along with the task image are the Macro Modules modified, the Build Command File, and Overlay Descriptor File. The complete source kit for APL-11 can be ordered from the DECUS Library (Order No. 11-SP-25). See the file APLID.DOC for further information. Installation instructions to maximize workspace size are as follows: MCR> INS APL/INC=64240 This gave us a workspace size of 53,548 bytes.