CS476/576

Assignment #1

Due Midnight, Wednesday Oct 10, 2012

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Write a script (any shell, perl, etc. ) that runs on both unix & linux with the following descriptions:

NAME

YouInfo - Display login information about current or another target user

SYNOPSIS

loginfo [target user]

DESCRIPTION

This script generates the following information:

1. Target user login information:

· Full name

· Main group membership name

· Other group memberships names if any other than the main group.

If the [target user] login argument is missing the current user login is used.

2. Current host information:

· Host name and IP address

· Operating System.

3. Login Statistics on the current host:

· Total number of logins.

· The Name and IP address of the host where the user mostly used to login.

4. LOGFILE that contains the following information of each successful invocation of the script:

· Date of usage in the form: year-month-day hour:minute

· User login

· Target login

· Login host name

· Host name from which the user used to login.

v Sample output