Module 2 of 6

Work With Files and Text

Turn files and command output into useful information.

By the end: Inspect, combine, search, and transform everyday text data.

  1. 06
    Redirection Operators

    Capture useful output and errors in separate files.

  2. 07
    Pipes and Filters

    Build a small report by connecting focused commands.

  3. 08
    Grep: Search Master

    Find the important lines in a noisy application log.

  4. 09
    Sed: Stream Editing Safely

    Preview and apply a safe text correction with a backup.

  5. 10
    Awk Fundamentals · Milestone

    Calculate useful totals from a small inventory file.

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Check before you copy

This command needs care. Read its context, confirm the target and location, and keep a recovery path.

Copying does not run a command.