Interacting with the World
Much of what you've learned in this book has been about how you can exploit UNIX to be more productive. Now it's time to learn how to communicate with others, to learn about what I consider the “killer app” of UNIX: electronic mail.
Task 19.1: Enabling Messages Using mesg
 | Earlier you learned that all peripherals hooked up to UNIX are controlled by device drivers and that each device driver has an associated /dev file. If you want to talk with other users on the system, you need to ensure that they can communicate with you too. (This pertains only to talk, however; email works regardless of the mesg setting.) |
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