Installation and Start-Up Procedure for J, Version 6.2, on the PC 0. This distribution consists of two compressed archive files: J_62_PC.ZOO Containing the executable. TUTORIALS.ZOO Containing the tutorials. 1. These installation steps are suggested: mkdir ~\j Create a new directory called "j". copy *.zoo ~\j Copy the two '.zoo' files to the new directory. cd ~\j Change to the new directory. zoo -e j*.zoo Extract the program files. zoo -e t*.zoo Extract the tutorial files. rm *.zoo Remove the '.zoo' files. mv j_* j.tos Rename the executable. 2. To run the program: j To start the program. When you start the program, you should see the banner: J Version 6.2 Copyright (c) 1990-1992, Iverson Software Inc. and a 3-space prompt. At this point, the system is ready to interpret J sentences. To terminate the session, enter ^D (Control D) . A tutorial is available, contained in the files tutorial.js tut\tut*.js (There are 47 of these, numbered 0 to 46) Within a J session, enter: 0!:3 < 'tutorial.js' (to make the necessary definitions) tutorial '' (to start the tutorial) Some first time users have found it useful simply to print the 47 tutorial files (about 20 to 30 lines each) and have them at hand while experimenting with J.