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Talk allows two users to hold a conversation. One user invites the other to hold a conversation by issuing the talk command. If the invitation is accepted, each user's screen is split horizontally into two windows. In the top window everything the other user types is displayed. To close the connection, press the INTERRUPT key . talk can also be used in a network. To talk to fred on sys2, the command would be talk fred@sys2. © Copyright IBM Corp. 1995, 2001 Unit 2. Using the System Course materials may not be reproduced in whole or in part without the prior written permission of IBM.

The passwd command is used to change the user password and is an example of a simple command which may be entered at the shell prompt. The system will start the passwd process which will prompt the user for their old password first. To prevent users being locked out of the system through a simple typing error, the new password is entered twice. Only if the two entries match is the new password accepted. The old password is invalid thereafter. When the passwd process terminates the user is again presented with the prompt requesting another command.

1 Documentation Library. The Documentation Library consists of four main views: Books A collection of guides, documentation and technical references Commands An alphabetical listing of command definitions Tasks/Topics A functional listing of system management and system use tasks and topics Other An alphabetical programmers reference To access a view, just point and click on the view tab at the top of the Documentation Library. 1 Books, under Reference Documentation. © Copyright IBM Corp. 1995, 2001 Unit 3.

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AIX 5L Basics. Student Notebook

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