Hi Monks

I installed the Net::SSH2 module from PPM and trying to connect to remote unix host from windows OS. After running the below code i am getting Error "LINE : Error: "pwd" is not a recognized command"

Below is the code and also the test result once after running the script.I unable to judge weather the script actually succeeded in connecting the host and failed only in executing the the command which i have assigned for $cmd variable in script.Monks, please assist me to figuring out what is actually happening and correct me where i am doing wrong in the script.This is my first post, please ignore if i have not fallowed any posting standards here. 
BEGIN {

   push(@INC,'C:\Perl64\site\lib');
}

use warnings;
use strict;
use NET::SSH2;

sub is_sshalive;

my $host = "XXXX"; # use the ip host to connect
my $user = "yyyy"; # your account
my $pass = "zzzz"; # your password
my $cmd;
my $ssh2 = Net::SSH2->new();
$ssh2->debug(1);
if ($ssh2->connect($host)) {
    if ($ssh2->auth_keyboard($user,$pass)) {
        print "\n Executing command...\n";
        $cmd = "pwd";
        print " ==> Running $cmd\n";
        if(is_sshalive($ssh2) == 1) {
                print "\nSSH connection died";
                exit 1;
        } else {
            run_testsuite($cmd, $ssh2);
        }
    } else {
        warn "ssh auth failed.\n";
        exit 1;
    }
} else {
    warn "Unable to connect Host $host \n";
    exit 1;
}
print "test passed done 0\n";


sub run_testsuite {
    my $cmd = $_[0];
    my $ssh2 = $_[1];

    my $chan2 = $ssh2->channel();
    $chan2->shell();
    print $chan2 "$cmd \n";
    print "LINE : $_" while <$chan2>;
    $chan2->close;
    return 0;
}

sub is_sshalive {
    my $ssh2 = $_[0];
    if ($ssh2->poll(1000) == 0) {
        return 0; # passed
    } else {
        return 1; #failed
    }
}

Below is the partial test result where it is displaying Error

Net::SSH2::Channel::read(size = 1, ext = 0)
- read 1 bytes
- read 1 total
LINE : Error: "pwd" is not a recognized command
Net::SSH2::poll: timeout = 250, array[1]
- [0] = channel
- [0] events 1
- libssh2_poll returned 1
- [0] revents 1
Net::SSH2::Channel::read(size = 1, ext = 0)

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In reply to Problem in connecting to remote unix host via Net::SSH2 from windows machine by Perl_abcd_monk

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