Did You Know?
Donate to TecMint

LFCS - Linux Foundation Certified SysAdmin - Exam Preparation Guide

Archive : Linux Commands

RSS feed

10 ‘free’ Commands to Check Memory Usage in Linux

10 ‘free’ Commands to Check Memory Usage in Linux
Linux is one of the most popular open source operating system and comes with huge set of commands. The most important and single way of determining the total available space of the physical memory and swap memory is by using “free” command. The Linux “free” command gives information about total used and available space of physical memory and swap memory with buffers used by kernel in Linux/Unix like operating systems. 10 Linux...
Filed in: Linux Commands

15 ‘pwd’ (Print Working Directory) Command Examples in Linux

15 ‘pwd’ (Print Working Directory) Command Examples in Linux
For those working with Linux command Line, command ‘pwd‘ is very helpful, which tells where you are – in which directory, starting from the root (/). Specially for Linux newbies, who may get lost amidst of directories in command Line Interface while navigation, command ‘pwd‘ comes to rescue. 15 pwd Command Examples What is pwd? ‘pwd‘ stands for ‘Print Working Directory‘. As the name states, command...
Filed in: Linux Commands

A Complete Guide to Usage of ‘usermod’ command – 15 Practical Examples with Screenshots

A Complete Guide to Usage of ‘usermod’ command – 15 Practical Examples with Screenshots
In Unix/Linux distributions, the command ‘usermod‘ is used to modify or change any attributes of a already created user account via command line. The command ‘usermod‘ is similar to that ‘useradd‘ or ‘adduser‘ but the login granted to an existing user. 15 usermod Command Examples The command ‘useradd‘ or ‘adduser‘ is used for creating user accounts in Linux systems. To know...
Filed in: Linux Commands

5 ‘chattr’ Commands to Make Important Files IMMUTABLE (Unchangeable) in Linux

5 ‘chattr’ Commands to Make Important Files IMMUTABLE (Unchangeable) in Linux
chattr (Change Attribute) is a command line Linux utility that is used to set/unset certain attributes to a file in Linux system to secure accidental deletion or modification of important files and folders, even though you are logged in as a root user. In Linux native filesystems i.e. ext2, ext3, ext4, btrfs, etc. supports all the flags, though all the flags won’t support to all non-native FS. One cannot delete or modify file/folder once attributes...
Filed in: Linux Commands

DNF – The Next Generation Package Management Utility for RPM Based Distributions

DNF – The Next Generation Package Management Utility for RPM Based Distributions
A recent news draw the attention of many Linux users, professionals and learners that “DNF” (stands for nothing officially) is going to replace “YUM” package management utility in distributions viz., Fedora, CentOS, RedHat, etc. that are using RPM Package Manager. The news was quite surprising and more or less a packager manager is attached to the identity of a Linux distribution which is responsible for installing, updating and removing...
Filed in: Linux Commands

6 Interesting Funny Commands of Linux (Fun in Terminal) – Part II

6 Interesting Funny Commands of Linux (Fun in Terminal) – Part II
In our past following articles, we’ve shown some useful articles on some funny commands of Linux, which shows that Linux is not as complex as it seems and can be fun if we know how to use it. Linux command line can perform any complex task very easily and with perfection and can be interesting and joyful. 20 Funny Commands of Linux – Part I Fun in Linux Terminal – Play with Word and Character Counts Funny Linux Commands The former...
Filed in: Linux Commands

15 Practical Examples of ‘echo’ command in Linux

15 Practical Examples of ‘echo’ command in Linux
echo is one of the most commonly and widely used built-in command for Linux bash and C shells, that typically used in scripting language and batch files to display a line of text/string on standard output or a file. echo command examples The syntax for echo is: echo [option(s)] [string(s)] 1. Input a line of text and display on standard output $ echo Tecmint is a community of Linux Nerds Outputs the following text: Tecmint is a community of...
Filed in: Linux Commands

15 Practical Examples of ‘cd’ Command in Linux

15 Practical Examples of ‘cd’ Command in Linux
In Linux ‘cd‘ (Change Directory) command is one of the most important and most widely used command for newbies as well as system administrators. For admins on a headless server, ‘cd‘ is the only way to navigate to a directory to check log, execute a program/application/script and for every other task. For newbie it is among those initial commands they make their hands dirty with. 15 cd command examples in linux Thus, keeping...
Filed in: Linux Commands
This work is licensed under a (cc) BY-NC | TecMint uses cookies. By using our services, you comply to use of our cookies. More info: Privacy Policy.
© 2012-2014 All Rights Reserved.