To reconstitute a solaris GAP 4.2 (gap4r2) directory on fife
do (in /homes/gap):

   unzoo -x -o /www/gregg/gap/gap4r2/gap4r2.zoo
   cd gap4r2
   unzoo -x -o /www/gregg/gap/gap4r2/fix4r2n?.zoo
   tar zxf /www/gregg/gap/gap4r2/gap4r2pkg.tgz
   cd ..
   tar zxf /www/gregg/gap/gap4r2/gap4r2xdoc.tgz