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How to Merge CSV Files Using Bash (Linux Guide)

CSV (Comma-Separated Values) files are one of the most commonly used formats for storing structured data. They are lightweight, easy to read, and supported by many tools including spreadsheet applications, programming languages, and databases. In many situations, users work with multiple CSV files that contain related data. For example, system logs, exported reports, or datasets collected over time may be stored in separate files. Combining these files into a single dataset can make analysis and processing much easier. If you are using a Linux system, the Bash shell provides simple and powerful commands that can merge CSV files quickly without requiring complex software. This guide explains beginner-friendly methods for combining CSV files using Bash. Understanding CSV Files A CSV file stores tabular data where each row represents a record and each value is separated by a comma. Because the format is simple text, it can be opened with many applications such as Microsoft Excel,...