Please enter the command with all parameters and arguments, that could be used by root to list the cron jobs for the user john.
Which command with all parameters and arguments, can be used by root to erase the cron job list for the user fred?
which rpmbuild option is used to unpack sources and apply patches before proceeding with the next steps?
Which of the following must be included in the syslogd configuration file, so that ONLY kernel related messages with the priority crit are reported?