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GNU/Linux ls command

Kirk is a RHEL Sysadmin in training at Red Hat. Please write an essay on the GNU/Linux ls command. Please include the history…

C++ std::vector

Jorge is learning about vectors in C++. Please explain the following, in detail: 1.) What are vectors used for in C++? 2.) What…

/var/log/messages

Peter runs a modern RHEL server. Please simulate what he might see if he opens the /var/log/messages file in nano or vim. I…