diff -ruN pvm3.orig/lib/bashrc.stub pvm3/lib/bashrc.stub
--- pvm3.orig/lib/bashrc.stub	1998-07-13 15:24:40.000000000 +0200
+++ pvm3/lib/bashrc.stub	2004-11-13 12:01:11.000000000 +0100
@@ -4,7 +4,7 @@
 # type.  you may wish to use this for your own programs (edit the last
 # part to point to a different directory f.e. ~/bin/_$PVM_ARCH.
 #
-if [ -z $PVM_ROOT ]; then
+if [ -z "$PVM_ROOT" ]; then
     if [ -d ~/pvm3 ]; then
         export PVM_ROOT=~/pvm3
     else
@@ -13,18 +13,19 @@
     fi
 fi
 
-if [ -n $PVM_ROOT ]; then
+if [ -n "$PVM_ROOT" ]; then
     export PVM_ARCH=`$PVM_ROOT/lib/pvmgetarch`
 #
 # uncomment one of the following lines if you want the PVM commands
 # directory to be added to your shell path.
-#
-#       export PATH=$PATH:$PVM_ROOT/lib            # generic
-#       export PATH=$PATH:$PVM_ROOT/lib/$PVM_ARCH  # arch-specific
-#
+
+       export PATH=$PATH:$PVM_ROOT/lib            # generic
+       export PATH=$PATH:$PVM_ROOT/lib/$PVM_ARCH  # arch-specific
+
 # uncomment the following line if you want the PVM executable directory
 # to be added to your shell path.
-#
-#       export PATH=$PATH:$PVM_ROOT/bin/$PVM_ARCH
+
+       export PATH=$PATH:$PVM_ROOT/bin/$PVM_ARCH
 fi
 
+export PVM_RSH=`which ssh`