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Question:
a) What is a Linux shell?
b) Prepare the commands for the following tasks: i) Change the working directory ii) Show the working directory iii) Execute a program iv) Terminate the shell
c) One example of the more powerful command-line tools in Linux is using streams. Give two other examples of command-line tools.
d) Explain the term "standard error" concerning the types of input and output streams.
e) Describe the "join" command in Linux, support your answer with a suitable example.
f) State two reasons why Linux Operating System is better than one of its competitors.
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Firewalls Firewalls emerged as a new technology in 1990s but its idea was present near two decades back. Historical context of "Firewall" is quite literal. It was in use to des
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