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Linux Commands

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.

ping Command: Testing Network Connectivity

Summary

The ping command is a fundamental network utility used to test the reachability of a host on an Internet Protocol (IP) network. It works by sending ICMP (Internet Control Message Protocol) echo request packets to a target host and waiting for an ICMP echo reply.