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A Quick Guide to Using df Command in Linux to Check Disk Space

This article will help you understand the use of the df command in Linux and how to use it with multiple options in Linux/Unix. The ‘df’ (Disk Free) command is an inbuilt utility for finding available disk usage space on Linux servers/storage. This command is mainly used by System Admins, as it is one of […]

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A Guide to 16 Basic cron Commands in Linux

In Linux/Unix, we can run and schedule many tasks automatically using the cron command. You can execute both commands once or at a regular interval. cron is widely used for scheduling repetitive jobs at regular intervals (run using commands listed in a table called “crontab”) and the ‘at’ procedure is used to schedule a job […]

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How to Put Multi-Line Comment in Shell Script

In bash shell, we can comment on multiple lines using various methods. Learn how to put multi-line comment in shell script, running under Linux or Unix-like systems.
The post How to Put Multi-Line Comment in Shell Script appeared first on Linux Today.

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What’s the Difference Between Grep, Egrep, and Fgrep in Linux?

The grep utility is a renowned search tool on Unix-like systems that can be used to search for files or lines. It offers vast functionality and supports a number of options like searching using string pattern, reg-ex pattern, or Perl based reg-ex. Read…

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An Overview of the Basic Cat Commands in Linux

‘Cat’ is one of the most commonly used commands in Linux operating systems (short for “concatenate”). This is a standard Unix application that concatenates and displays files. It is also possible to grow files quickly using cat commands. Using the cat command, you can read and write data from standard input and output devices. Learn […]

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Excellent Utilities: lsd – next gen ls command

The part of the operating system responsible for managing files and directories is called the file system. It organizes our data into files, which hold information and directories (also called ‘folders’). Several commands are frequently used to create, inspect, rename, and delete files and directories. One of these commands is ls, which prints the names […]

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An Example of How to Check Disk Space in Linux with the df Command

This article will help you understand how to check disk space with the df command in Linux and how to use df command with multiple options in Linux/Unix. The ‘df’ (Disk Free) command is in an inbuilt utility to find the available and disk usage space on Linux servers/storage. This command is mainly used by […]

The post An Example of How to Check Disk Space in Linux with the df Command appeared first on Linux Today.

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Here are the 16 Best cron Commands in Linux with Practical Examples

In Linux/Unix, we can run and schedule many tasks automatically using the cron command. You can execute both commands once or at a regular interval. ‘Cron’ is widely used for scheduling repetitive jobs at regular intervals (run using commands listed in a table called ‘crontab’) and the ‘at’ procedure is used to schedule a job […]

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5 Most Frequently Used Open Source Shells for Linux

The shell is the command interpreter in an operating system such as Unix or GNU/Linux; it is a program that executes other programs. It provides a computer user with an interface to the Unix/GNU Linux system so that the user can run different commands or utilities/tools with some input data. Learn about the most used […]

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35 Practical Examples of Linux Find Command

The Linux find command is one of the most important and frequently used command-line utilities in Unix-like operating systems. The find command is used to search and locate the list of files and directories, based on conditions you specify for files th…

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15 Useful Useradd Commands with Examples in Linux

In Linux, a ‘useradd‘ command is a low-level utility that is used for adding/creating user accounts in Linux and other Unix-like operating systems. The ‘adduser‘ is similar to the useradd command because it is just a symbolic link to it. Read on to learn useful useradd commands with examples in Linux. We all are aware of the most popular […]

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OpenSSH Change a Passphrase with ssh-keygen Command

Here’s how I change OpenSSH passphrase for one of my private keys under Linux, OpenBSD, FreeBSD, Apple’s macOS, or Unix-like operating systems.
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Explanation of “Everything is a File” and Types of Files in Linux

In Unix and its derivatives such as Linux, everything is considered as a file. If something is not a file, then it must be running as a process on the system. Learn more about file types in Linux here.
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What Does ‐‐ (double dash) Mean in Linux and Unix SSH Shell Commands?

This quick tutorial explains the use of the double-dash (“–“) in Linux, macOS and Unix shell and ssh commands. But first, let us see what it does and when you might need it.
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