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    1. Labs
    2. VTU THEORY
    3. VTU Sem 3
    4. Unix and Shell Programming syllabus
    5. Module-3 The vi editor
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    Typical examples involving different regular expressions.
    egrep.
    The grep
    Basic and Extended regular expressions
    Command substitution
    Splitting the output: tee
    Connecting commands: Pipe
    Three standard files and redirection
    Removing the special meanings of wild cards
    Wild cards and file name generation
    The shells interpretive cycle
    Simple examples using these commands
    map and abbr commands
    The set
    The search and replace command
    Pattern searching
    Repeat command
    Illustrative examples Navigation commands
    The ex mode commands
    Command mode commands
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