If you get into the habit of editing files as root the right way, you will reduce the possibility of making mistakes that may be very time consuming to correct. Press the keyboard combination Ctrl+ X to exit nano. Press the keyboard combination Ctrl+ O and after that press Enter to save the file being edited. The only two nano keyboard shortcuts that you need to know are for WriteOut and Exit. The instructions for using nano editor are always found at the bottom of every page. Nano text editor is included in the default Ubuntu installation. While there are commands to run graphical applications as root, you are strongly advised to use nano text editor, which normally is run from the terminal, for editing files as root. To install Nautilus Admin in all currently supported versions of Ubuntu open the terminal and type: sudo apt install nautilus-admin Edit as Administrator: opens a file in a Gedit window running with administrator (root) privileges.Open as Administrator: opens a folder in a new Nautilus window running with administrator (root) privileges.Nautilus Admin ( nautilus-admin) is a simple Python extension for the Nautilus file manager that adds some administrative actions to the right-click menu: In addition to this gksu and gksudo don't work for starting graphical applications as root in Wayland in Ubuntu 17.10: Why don't gksu/gksudo work with Wayland? and the gksu package has been dropped from the default Ubuntu repositories in Ubuntu 18.04 and later. Running any graphical interface applications as root can result in file corruption, especially if the graphical interface application is a text editor. Xauth: file /root/.Xauthority does not exist On coming to command #3, I got this error
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