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A Practical Guide to Red Hat® Linux® 8 by Mark G. Sobell

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Exercises

1.What commands can you use to determine who is logged in on a specific terminal?
2.How can you keep other users from using write to communicate with you? Why would you want to?
3.What command sends the files chapter1, chapter2, and chapter3 to the printer?
4.List some differences between talk and write. Why are three different communications utilities (talk, write, pine) useful? Describe a situation in which it makes sense to use
  1. pine instead of talk or write

  2. talk instead of write

  3. write instead of talk

5.Show how to use pine to send a single mail message to agnes on the system named cougar and to jim on the system named ucsf. Assume that your computer has network links to cougar and ucsf.
6.What happens when you give the following commands ...

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