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Issue description

In the "Accessing Man Pages" section, the example on the board shows the command man -k ssh. However, the result displayed does not match what this command would actually return.

The -k option with man is used to search for all man pages that include the keyword "ssh" in their name or description — it should produce a list of matching entries (e.g., ssh (1), ssh-keygen (1), sshd (8)).

Instead, the course content shows the full manual page for ssh, which would be the expected output of man ssh, not man -k ssh.

This may confuse learners, especially those new to the command line, as the distinction between man -k and man <command> is not clearly explained or demonstrated.

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