Basic vi Skills
Terms you'll need to understand:
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Command mode
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Insert mode
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LastLine mode
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Message line
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Named buffers
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The Unnamed buffer
Techniques you'll need to master:
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Opening a file for editing
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Saving and exiting files
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Searching for text, including ranges and regular expressions
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Navigating within a file, including using the H, J, K, and L keys
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Searching and replacing text using different methods
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Setting, unsetting, and displaying options for vi
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Executing commands within vi
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Performing advanced editing functions
Editors
The LPI exams focus on vi as the default editor for Linux. No matter how much you think emacs rocks, or that pico/nano is much easier to use with the onscreen menus, it's essential that you have basic vi skills.