Knowledge Base
427 articles and guides on knowledge base from the NexonHost team — page 3 of 18.
How to use iostat command in Linux.
How To Use Iostat Command. The iostat command in Linux is used for monitoring system input/output statistics for devices and partitions. It monitors system input/output by observing the time the devices are active in relation to their average transfer rates. The iostat produce reports may be used…
Read article →How to use iconv command in Linux.
How To Use Iconv Command. iconv command is used to convert some text in one encoding into another encoding. If no input file is provided then it reads from standard input. Similarly, if no output file is given then it writes to standard output. If no from-encoding or to-encoding is provided then…
Read article →How to use getopts command in Linux.
How To Use Getopts Command. Shell scripting is a powerful way to automate tasks and create custom utilities in Unix-like operating systems such as Linux. When writing shell scripts, it’s common to need to process command-line arguments and options provided by users. The getopts command is a…
Read article →How to use gawk command in Linux.
How To Use Gawk Command. The basic gawk syntax looks like this: gawk [options] [actions/filters] input_file The command cannot be run without any arguments. The options are not mandatory, but for gawk to produce output, at least one action should be assigned. Actions and filters are different…
Read article →How to use fuser command in Linux.
How To Use Fuser Command. The fuser command (Find USER) is a process management tool that identifies processes using a file, a directory, or a socket. Additionally, fuser provides information about the process owner and access type and terminates processes in question. Linux fuser Syntax The fuser…
Read article →How to use egrep command in Linux.
How To Use Egrep Command. This guide explains how to use the Linux egrep command through practical examples. The egrep (Extended Global Regular Expression Print) command is a text processing tool that searches for patterns or regular expressions in a specified location. The tool provides the same…
Read article →How to use dd command in Linux.
How To Use Dd Command. In this tutorial, we learn about dd command in Linux with practical examples. The Linux dd command is one of the most powerful utilities for Unix and Unix-like operating systems. It can be used in a variety of ways. dd command in Linux dd command is mainly used for copying…
Read article →How to use csplit command in Linux.
How To Use Csplit Command. The csplit command is used to split any file into many parts as required by the user. The parts are determined by context lines. Output pieces of FILE separated by PATTERN(s) to files ‘xx00’, ‘xx01’, …, and output byte counts of each piece to standard output. Syntax:…
Read article →How to use chkconfig command.
How To Use Chkconfig Command. This guide will show you how to use the chkconfig command to control system services in Linux. Modern Linux distributions come with the systemd initialization system that allows users to manage services with the systemctl command. However, some older systems still use…
Read article →How to use cfdisk command in Linux.
How To Use Cfdisk Command. cfdisk command is used to create, delete, and modify partitions on a disk device. It displays or manipulates the disk partition table by providing a text-based “graphical” interface. cfdisk /dev/sda See the available free space. Here we have 20 GB. Select NEW and create…
Read article →How to understand critical system services.
How To Understand Critical System Services In Linux. Linux, being an open-source and highly customizable operating system, relies on various services and daemons to perform essential functions. These services handle everything from system initialization to managing network connections and user…
Read article →How to understand are Linux Daemons.
What Are Linux Daemons. A daemon (usually pronounced as: day-mon, but sometimes pronounced as to rhyme with diamond) is a program with a unique purpose. They are utility programs that run silently in the background to monitor and take care of certain subsystems to ensure that the operating system…
Read article →How to understand linux logs.
How To Understand Linux Logs. Linux logs provide a timeline of events for the Linux operating system, applications, and system and are a valuable troubleshooting tool when you encounter issues. When issues arise, analyzing log files is the first thing an administrator needs to do. How can Linux…
Read article →How to use clear command in Linux.
How To Use Clear Command. In Linux, clear is built-in command which is used to clear terminal screen. This command runs on different distributions of Linux based operating systems like Ubuntu, Fedora, Debian, Kali, Red Hat etc. In this tutorial we will discuss syntax for command echo with examples.
Read article →How to use host command in Linux.
How To Use Host Command. Follow this article’s guideline to learn how to use hostname command on Linux. Host is a command line utility that makes it possible for the Linux users to find information about a given host on a network. You can use the host command to lookup the domain’s IP address and…
Read article →How to use od command in Linux.
How To Use Od Command. The “od” is an efficient command that helps to understand the complex data which is not human-readable. In Linux operating system, “od” is a useful command that converts the input in multiple formats with octal format by-default. As we all know, Octal has a base-8 number…
Read article →How to use mount command in Linux.
How To Use Mount Command. The Linux file system hierarchy is arranged in a tree, with the file system starting from the root directory (/). All other child file systems branch out from the root directory. The mount command allows users to mount, i.e., attach additional child file systems to a…
Read article →How to use zcat command in Linux.
How To Use Zcat Command. The “zcat” command in Linux is a tool for displaying the contents of compressed files in the “gzip” format. It is similar to the “cat” command, which is used for indicating the contents of regular text files, but it is specifically designed for working with compressed files.
Read article →How to use cal command in Linux.
What is cal command? Sometimes, you might want to have a peek at the year’s calendar or even narrow it down to a month’s calendar. The Linux cal command is an excellent built-in tool that displays a calendar of a given year or month depending on the options passed. How Does cal Command Work?…
Read article →How to use sort command in Linux.
What is sort command? The `sort` command in Linux is part of the GNU Coreutils package. This command is used to sort lines of text in a specified file or from the standard input in an ascending/descending order. The sorted output can be written to a file or displayed on the standard output. The…
Read article →How to use comm command in Linux.
How To Use Comm Command. The following guide will explain how to use the Linux comm command with examples. About comm command: The comm command is a simple Linux utility for comparing files with focus on the common content. The command compares two sorted files line by line and displays results in…
Read article →How to use more command in Linux.
How To Use More Command. In this guide, we look at the Linux more command and demonstrate how you can make the most out of it. The cat command is a very handy tool when viewing short text files. However, when you have large files, it only gives you the last section of the file…
Read article →How to use tac command in Linux.
What is tac command: tac command in Linux is used to concatenate and print files in reverse. This command will write each FILE to standard output, the last line first. When no file is specified then this command will read the standard input. Syntax: tac [OPTION]… [FILE]… Options: tac -b: This…
Read article →How to use and install neofetch.
How To Use And Install Neofetch. Neofetch displays an ASCII logo of your Linux distribution along with information related to your system in the terminal. Many Linux users will use it in screenshots of their desktops just because they think it’s cool. And they’re right. You can use it to show off…
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