What Is The Sudo In Linux?. Sudo stands for either “substitute user do” or “super user do” (depending upon how you want to look at it). The user needs to have the sudo privileges to run the sudo command.
sudo command in Linux with Examples
Su is a unix command known as a switch user, substitute user, or superuser. According to linux and unix administrators, an administrator’s sudoers repository serves to allocate the system’s privileges to that user. The su command is the traditional way of acquiring root permissions on linux. Sudo requires the user to enter user password to give system based permissions. Sudo, linux command is used to give such permissions to any particular command that a user wants to execute. Sudo’s syntax (the command’s format) is simple. You need root rights to run a command, linux checks your username. The sudoers file is a file linux and unix administrators use to allocate system rights to system users. Save the file and close it. Whenever a user tries to install, remove.
When you want to run a command that requires root rights, linux checks your username against the sudoers file. So sudo is used to manage the user permission according to the system configuration file. Effectively, sudo allows a user to run a program as another user (most often the root user). Whenever a user tries to install, remove and change any piece of software, the user has to have the root privileges to perform such tasks. With sudo, you can access the root privileges without knowing the root password or logging as the root user. The current linux manual pages for su define it as substitute. First of all, the file used to configure sudo is /etc/sudoers and it can be viewed and edited with root privileges using the visudo command. This allows the administrator to control who does what. How to use sudo on linux facility. The file is located at /etc/sudoers and requires root permissions. Log out from the current session and log back in.
