Exercises
Describe the similarities and differences among these utilities:
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scp and ftp
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ssh and telnet
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rsh and ssh
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Assuming that rwho is disabled on the systems on your LAN, describe two ways to find out who is logged in on some of the other machines attached to your network.
Explain the client/server model, and give three examples of services that take advantage of this model on GNU/Linux systems.
What is the difference between a diskless and a dataless workstation? Name some advantages and disadvantages of each.
A software implementation of chess was developed by GNU and is free software. How can you use the Internet to find a copy and download it to your system?
What is the difference between the World Wide Web and the Internet?
If you have access to the World Wide Web, answer the following:
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What browser do you use?
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What is the URL of the author of this book's home page? How many links does it have?
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Does your browser allow you to create bookmarks? If so, how do you create a bookmark? How can you delete one?
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Explain what happens if you transfer a binary file while running ftp in ASCII mode. What happens if you transfer an ASCII file in binary mode?
Give one advantage and two disadvantages of using a wireless network.