Con un enfoque paternalista Ubuntu de entrada no da acceso a la cuenta de root, sino que los comandos privilegiados se deben ejecutar usando sudo. Since most Ubuntu documentation asks you to use sudo even with graphical applications, Why recommend gksudo or kdesudo for graphical applications instead of sudo.
For example, a lot of guides (including the first book ever published about Ubuntu) will ask you to type this sort of command:
I will always recommend, however, that people use instead this sort of command:
And reserve sudo for command-line applications, like so:
Why is it an issue?
Well, to be perfectly honest, most of the time it isn’t. For a lot of applications, you can run them the improper way—using sudo for graphical applications and see no adverse side effects.
1. There are other times, though, when side effects can be as mild as Firefox extensions not sticking or as extreme as as not being able to log in any more because the permissions on your .ICEauthority changed. You can read a full discussion on the issue here.
These errors occur because sometimes when sudo launches an application, it launches with root privileges but uses the user’s configuration file.