The presence of what file will temporarily prevent all users except root from logging into the system? (Specify the full name of the file, including path.)
Which configuration file would be edited to change the default options for outbound SSH sessions?
Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?
Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?
When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?
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