Write a shell script

Question

Write a shell script which will automatically get executed on logging in. This shell

script should display the present working directory and report whether your friend

whose logname is aa10 has currently logged in or not. If he has logged in, then the

shell script should send a message to his terminal suggesting a dinner tonight. If you

do not have a write permission to his terminal of if he has not logged in, then such a

message should be mailed to him with a request to send confirmation about your

dinner proposal.

Answer 1

ls

who | grep -i aa10