You need to pause the CUPS printer HPLaserjet4, and you want to cancel all print jobs with a message, “hello”. Which command will do this?
What text file is used to configure, among other things, the source databases used for resolving host names, domain names, logins, and passwords?
You have installed a new window manager on an Ubuntu system, and find that it is not listed in the “Session” menu on the graphical login screen. Which of the options below will fix this?