In this article, we are going to learn how to use Linux du command. du command is a powerful command in Linux and Unix Operating System used to check disk usage of files or directories. Refer to the below Linux du command with examples: To check the installed Linux du command package version we can …
In this article we are going to learn How to mount and unmount Linux file system. In Linux operating system after create a fresh partition we have to format that partition with some file system eg: ext2, ext3, ext4 and so on and then Mount that file system (Partition) on a directory to use that partition and …
In this article, I will explain to you 6 Bash shell command line Chaining Operators (Linux operator). Now let’s discuss what is chaining operator. A chaining operator is something that helps to run multiple commands at once like we execute a script and the task completes automatically. Usually, people use Bash shell command line Chaining …
In this article, we are going to discuss how to use chattr command to change file attributes in Linux and make the important files immutable. chattr stands for Change Attribute. chattr command is a very nice and useful tool in Linux that is used to change file attributes and has the ability to make the file …
In this article, we are going to discuss on Linux alias command. Alias is nothing but another related simple name of something (Something in the sense it can be anything like it can be a device, human being or maybe something else). Here in Linux the alias means you can give a simple name to …
In this article, we are going to learn how to create and manage users using useradd Linux command. useradd command is a Basic command in Linux is used to create and manage users. It comes with so many options and arguments to manage the users like Set Expiry date for the user, Password Inactivity, set UID (User ID) and …
In this article, we are going to discuss how to use the Linux usermod commands. usermod command is used to Modify the already created user’s settings like change primary group of the user, add secondary groups to the user, change UID and GID of the user, and so on. usermod is another tool like useradd to manage user …
In this article, we are going to learn the Group Management command in Linux. We have Four useful commands in Linux to Manage Groups i.e. groupadd, groupdel, groupmod, gpasswd. Managing Groups means we have to perform tasks such as Create Group, Delete Group, Modify Created Group, Add User into a Group, Delete User from a Group, and so …
In this article, we are going to discuss how to change runlevel in RHEL 7/CentOS 7 with systemd using systemctl command. Runlevel is nothing but a process which is Responsible for how the Linux system will Start or Halt/Shutdown. should it start with GUI Mode or should it start with Text Mode is decided by Runlevel and …
In this article, we are going to discuss on Linux Permissions SUID, SGID and Sticky Bit Concept Explained with Examples. Before we discuss Special Linux Permissions let’s have look at basic Linux Permissions. In Linux, There are three types of the permission we can apply i.e. Read, Write & Execute. And each file and directories …