Oct 30, 2017 · sudo is a powerful command line tool that enables a “permitted user” to run a command as another user (the superuser by default), as defined by a security policy. On most if not all Linux systems, the security policy is driven by the /etc/sudoers file.

Sudo command in Linux - JournalDev Sudo is one of the most widely used commands by Linux administrators and beginners alike. In this guide, we will look at sudo command and its usages. During the installation of most Linux Systems, one is usually required to create a root user, also known as a superuser and a regular user as well. How to run sudo command without a password on a Linux or Apr 18, 2017

Linux 101: Introduction to sudo - Linux.com

The sudo command is a program for Unix-like operating systems like Linux distributions. It allows users to run programs as another user. It allows users to run programs as another user. The " su " portion is sometimes described as substitute user, super user, or switch user.

sudo (Super User DO) command in Linux is generally used as a prefix of some command that only superuser are allowed to run. If you prefix “sudo” with any command, it will run that command with elevated privileges or in other words allow a user with proper permissions to execute a command as another user, such as the superuser.

The sudo command allows for a high degree of flexibility. For instance, only users listed in the /etc/sudoers configuration file are allowed to use the sudo command and the command is executed in the user's shell, not a root shell. This means the root shell can be completely disabled as shown in the Red Hat Enterprise Linux 6 Security Guide. Using History Command in Linux [Beginner's Guide] May 22, 2020