Summary

In this chapter you have learned how to access and log in to a UNIX system. You now know how to use passwords, run basic commands, and communicate with other users on the system.

Table 2–1 summarizes the commands covered in this chapter.

Table 2–1: Command Summary

Command	Use
passwd	Change your password
date	Get the current date and time
cal	Display a calendar
who	List all users who are currently logged in
finger username	Get information about username
write username	Send a chat message to username
talk username	Open a chat session with username
mesg y mesg n	Accept or block incoming messages
man command	Get information about command
mailx mailx address	Read e-mail messages, or send an e-mail to address
exit	Log out of the system
shutdown poweroff	Turn off the machine