These files are several comprehensive Smalltalk tutorials off of the Internet. The file VW.tar.gz is a tutorial for VisualWorks developed by Andrew Painter and A. Joseph Turner at Clemson University. The file ibm.tar.gz has a tutorial for IBM Smalltalk that was developed by Kheng-Khoon Khor et al. at NCSU. The gnu*gz files are the tutorial by Andrew Valencia for GNU Smalltalk The if:*gz files are Ian Piumarta's tutorial on connecting VisualWorks to the "outsde" world (i.e., sockets, etc).