A Linux user has sent a report to the printer queue, but then realizes he needs to make corrections to the report. He now wants to remove the report from the printer queue. Which of the following should be done?
The following is an extract of a password file:
Smith:*:1133:334:John Smith:/usr/people/jsmith:/bin/tcsh
What is purpose of the "*" in Smith's password field?
A user has three SCSI devices (two internal and one external) connected to his computer. He adds another external device, and this device and one of the internal devices do not work. Which of the following is the most likely cause?