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awk Command in Linux

Summary

The awk command is a powerful text processing tool in Linux used for pattern scanning and processing. It reads input files line by line, compares each line to a pattern, and performs actions based on the match. It's widely used for data extraction, report generation, and data transformation.

diff Command: Comparing Files

Summary

The diff command is a powerful utility for comparing files line by line and highlighting the differences between them. It is commonly used to identify changes made to files, generate patches, and resolve merge conflicts.

echo Command in Linux

Summary

The echo command in Linux is a fundamental utility used to display a line of text/string that are passed as an argument . It's commonly used for displaying messages, writing to files, and incorporating variables into scripts.