Which of the following commands redirects the output of ls to standard error?
Which command uninstalls a package but keeps its configuration files in case the package is re-installed?
Which of the following apt-get subcommands installs the newest versions of all currently installed packages?
What is true regarding the configuration of yum? (Choose two.)
Given a log file loga.log with timestamps of the format DD/MM/YYYY:hh:mm:ss, which command filters out all log entries in the time period between 8:00 am and 8:59 am?