Permission denied

Linux and Unix-Like Linux
1

I am using korn shell
When I type in Telnet on cmd line, I get message
"cannot execute[Permission denied]"

How can I get permission to execute command ? In which dir is telnet located ? I looked in /usr/bin dir. but its not there

Thanks

2

What are the permission of telnet, do....

ls -l `type telnet` or
ls -l `whence telnet`