text filtering

In the diversified toolbox of Linux command-line utilities, the uniq command stands out for its proficiency in filtering duplicate lines from a sorted stream of data. Whether you are a system administrator or software developer, mastering this command can greatly enhance your scripting tasks by simplifying the process of identifying unique lines in text files or data streams. In this article, we'll explore the basics of the uniq command, its usage scenarios, and provide instructions to install it on various Linux distributions. The uniq command in Linux is a command-line utility that reads from a sorted input and writes out unique or duplicate lines to the output.

Linux offers a powerful toolbox for dealing with real-time data directly from the command line. Among these tools, tail and grep are particularly useful for monitoring log files and other text data that changes over time. In this blog, we'll explore how to use these tools to filter and interact with text data in real time. We will also provide installation guidance across different Linux distributions using apt, dnf, and zypper package managers. tail: This command is used to display the last part of files. It’s particularly useful for viewing the most recent entries in log files. With the -f option, tail follows the file as it grows. This is handy for monitoring new entries to a log file.