Linux Commands

Summary

curl is a command-line tool used to transfer data with URL syntax, supporting protocols like HTTP, HTTPS, FTP, and more. It's often used for downloading files, testing APIs, and debugging web servers.

Summary

The fold command is a simple utility that wraps lines of text to a specified width. This is useful for displaying long lines in terminals or text editors with limited width, or for preparing text for systems with specific line length requirements.

Summary

The lsof command lists information about files opened by processes. It's invaluable for troubleshooting issues like identifying which process is locking a file or using a specific network port.

Summary

netstat is a command-line utility for displaying network connections, routing tables, interface statistics, masquerade connections, and multicast memberships. It provides valuable insights into the network activity of a system.

Summary

nmcli is a powerful command-line tool for controlling NetworkManager, allowing you to manage network connections, devices, and settings directly from the terminal.

Summary

The paste command in Linux is used to merge corresponding lines of multiple files. It reads each file line by line and combines the lines into a single line, separated by a delimiter (default is a tab). This is a powerful tool for creating structured data from separate files or combining data from different sources.

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The uniq command in Linux is a simple but powerful tool used to filter out adjacent matching lines from an input file or stream. It's commonly used to clean up data, identify unique entries, and prepare data for further analysis.

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The watch command allows you to execute a specified command periodically and display its output in a full-screen format, providing a real-time view of changes.

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The cal command is a simple yet useful utility in Linux for displaying a calendar in the terminal. It provides a quick way to view the current month, a specific month, or even the entire year.

Summary

The cut command is a powerful utility used to extract specific sections or fields from lines of text, based on delimiters or character positions. It's particularly useful for parsing structured data like CSV files or log files.