UNIX for Dummies Questions & Answers

 which remsh

 remsh <remote-host>

# which rsh
/usr/bin/rsh
# ls -l /usr/bin/rsh
-r-sr-xr-x    2 root     system        27788 Sep 11 2012  /usr/bin/rsh
# ls -l /usr/bin/remsh
-r-sr-xr-x    2 root     system        27788 Sep 11 2012  /usr/bin/remsh
# diff -b /usr/bin/rsh /usr/bin/remsh

#

rsh remote.host.com date

#!/bin/sh
set -e
machine=${1:-ftp}
owd=$PWD
cd
[ -f .netrc ] || {
> .netrc
chmod 600 .netrc
}
cp -p .netrc .netrc.old
set +e
(
sed "/^machine $machine/"',/^$/d' .netrc.old
echo "machine $machine"
echo "macdef mydel"
cd $owd
ls |
while read f
do
  [ -f "$f" ] && echo "del $f"
done
echo ""
) > .netrc

./ftp_mydel.sh ftpserver

cat ~/.netrc

ftp ftpserver

$ mydel