File Permissions in Linux/Unix

The concept of permissions and ownership is crucial in Linux. On a Linux system, each file and directory is assigned access rights for the owner of the file, the members of a group of related users, and everybody else. owner…

How to add/remove/modify Linux Users and Groups

This is a guide written to help administering Users and Groups properly in Linux. User Management useradd useradd is a low level utility for adding a new user or update default new user information When we run ‘useradd‘ command in…

Managing Linux processes

 The Linux terminal has a number of useful commands that can display running processes, kill them, and change their priority level. Parent and Child Processes Each unix process has two ID numbers assigned to it: The Process ID (pid) and…