The file setlbin.tgz is a gzipped tar archive of the SETL binaries. It can be unpacked like this: cd /usr/local/bin # or perhaps $HOME/bin for testing tar xvfz setlbin.tgz # or gzip -cd < setlbin.tgz | tar xvf - The other files in this directory are small text files, the first two indicating the environment that was used to compile the SETL system: gcc-info.txt - output of "gcc -dumpversion; gcc -dumpmachine" uname-a.txt - output of "uname -a" tar-tv.txt - listing of files in setlbin.tgz md5sum.txt - output of "md5sum" on the binaries cksum.txt - output of "cksum" on the binaries Please contact bacon@cs.nyu.edu (David Bacon) with questions or remarks. dB