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ps
ps The ps command, short for „process status“, is used to display information about currently running processes on your system. This includes details such as process IDs, user accounts associated with them, CPU usage, memory consumption, and more. Basic Use Case You can use the ps command in various forms, depending on your needs. Here…
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grep
grep The grep command is a powerful tool used to search for specific text patterns within one or more files. It stands for „Global Regular Expression Print“, which aptly describes its functionality. With grep, you can quickly scan through text data, whether it’s in log files, source code, or documentation. Use Cases Searching Log Files:…
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find
Find The find command is a powerful tool used to search for files based on various criteria such as file name, size, permissions, modification time, and more. It’s one of the most versatile and essential commands in Linux, making it an indispensable tool for users at all levels. Basic Usage The basic syntax of the…
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chown
Chown The chown command is a fundamental tool for managing file ownership and permissions on Linux systems. As a beginner to intermediate user, understanding how to use chown will help you manage files and directories with ease. What does Chown do? The chown command allows you to change the owner of a specific file or…
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chmod
chmod The chmod command stands for „change mode“ and is used to alter the permissions of a file or directory on Linux systems. Permissions determine who can read, write, or execute a file, with three categories of access: owner, group, and others. The basic syntax of the chmod command is: bash chmod [permissions] [file/directory] Where:…
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echo
Echo The echo command is one of the most basic yet powerful commands in Linux. It simply outputs its arguments to the standard output, which is usually the terminal screen or a file. What’s it for? The primary use of echo is to print messages to the user, such as displaying information about the system,…