Shell Programming and Scripting

#!/bin/ksh
file="/export/home/ABCDE/readIP.txt" 
while read Line
do
#last reboot | head -1 >reboot data.txt 
echo "line " ":" who -b >rebootData.txt
done < $file

#!/bin/ksh
file="/export/home/ABCDE/readIP.txt" 
while read Line
do
ssh $line << EOF >output.sri
echo $line  ":" who -b
EOF
done < $file
exit 0

#!/bin/ksh

while read ip
do
        echo "${ip}\t\c"
        ssh -n ${ip} "who -b | sed -e 's/^[ \t]*\.[ \t]*//'"
done < IP.txt

# ./rb.ksh
135.200.101.79  system boot  Jun 21 01:20
135.31.144.154  system boot  Aug 22 00:51
135.214.229.153 system boot  May 23 01:33