It allows you to switch users.
su = switch user RTFM, Luke...
$su $reboot or $sudo reboot
su command is used to change the user.
For Unix/Linux, use either the 'sudo' command or 'su' to the root account.
You can obtain root permissions in Linux by using the "sudo" command before executing a command that requires elevated privileges. This allows you to temporarily act as the root user to perform administrative tasks. Alternatively, you can switch to the root user using the "su" command by entering the root user's password.
Linux 5 ? give up now.
k is not a standard command in Linux.
switch user = su $ su above command will change the user to root $su johndoe above command will change the user to johndoe
There is no such command. Obviously, in order to enter a command into the prompt, Linux must already be on.
In a Linux terminal, the command to create a new directory is: mkdir .
Super User! That allows you to assume full control over the system (Linux/Unix) when you log on as a regular user. You'll need a password.
SU allows users to use programs with the security privileges of the superuser. This gives the user a huge amount of configurability with windows, mac and linux.