Thechmodcommand uses a different approach for numbers. It assigns three places in the sequence. The first place represents theowner. The second place shows thegroup. The third place denotesothers. For example, the following command adds the write permission to the owner, the read permis...
Linux provides various options to get help on the command line. You can choose any of these based on your time and requirements. For example, you can read manual pages for detailed information about a command or use thehelpcommand to get a quick overview of the options used with the comman...
In Linux, you can use thereadcommand to capture user input or read a line from standard input (stdin). This command reads the total number of bytes from the given file descriptor and stores them in the buffer. After that, it returns the number of bytes read, zero, or an error....
How To Use Ip Command In Linux with Examples The linuxipcommand is similar toifconfig, but more powerful and is intended to be a replacement for it. With ip you have the advantage of performing several network administration tasks with only one command. ifconfig is one of the deprecated com...
If no target command is specified, xargs calls echo. To use the xargs command, use the | symbol to pipe the results of the initial command to xargs. Follow the xargs keyword with any optional parameters as well as the target command. In the following example, the results of the find ...
I have found that the easiest way to get your feet wet with thegrep commandis to just dive right in and use some real-world examples. 1. Search and Find Files in Linux Let’s say that you have just installed a fresh copy of the new Ubuntu on your machine and that you are going ...
1. How to Copy a File in Linux One of the basic use of thedd commandis to copy a file into a current directory. Let’s understand by creating a simple text file: $ echo "this is a sample text file" > file-1.txt Now, let’s create a copy of it using thedd command: ...
“Du” stands for Disk Usage and every Linux user should use it very often to check the amount of disk space used by directory or file. Using the “du” command is very simple by typing it on the console and adding additional phrases called options. In other words, the “du” command...
A command represented as M-R in nano is performed by pressing the Alt key followed by the R key. Mac users may need to use the Escape (Esc) key instead of the Alt key to use these commands. Using Nano to Create And Open Files in Linux Create a New File using Nano Typing nano in...
In less likely scenarios, you may need to use a different user to run a specific command. This tutorial covers most of the basics for using the sudo command on a Linux operating system. For example, we cover the syntax, options, and a few use-cases. The ls Command in Linux How to...