Linux Commands

Summary

The rm command is a fundamental Linux utility for removing files and directories. It provides a straightforward way to delete unwanted items from your system. Use with caution, as deleted files are typically not recoverable via conventional means.

Summary

sed is a powerful stream editor that can perform text transformations on input streams (files or input from a pipeline). It is often used for search, replace, delete, and insert operations.

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The top command provides a dynamic real-time view of running processes in the system. It displays CPU usage, memory usage, and other important metrics, allowing you to identify resource-intensive processes and troubleshoot performance issues.

Summary

The touch command in Linux is used to create new, empty files or update the access and modification times of existing files and directories.

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The tr command in Linux is a versatile utility for translating, squeezing, and/or deleting characters from standard input and writing the result to standard output. It's often used for simple text manipulation tasks.

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The uname command in Linux prints system information such as kernel name, version, machine hardware name, and operating system.

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The whoami command is a simple utility that displays the effective username of the current user. It's a quick way to confirm which user you are logged in as, especially in environments where you might switch between different user accounts.

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The xargs command builds and executes command lines from standard input. It's a powerful tool for processing lists of files or other data from the output of other commands.

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The cat command is a fundamental utility in Linux for displaying the contents of one or more files. It's a quick and easy way to view text files without opening a dedicated text editor.

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The chmod command is a fundamental Linux utility used to change the access permissions of files and directories. Understanding chmod is crucial for managing file security and controlling who can read, write, and execute your files.