What command should a CentOS 7 system administrator use to display the amount of free and used memory in the system, and to manage swap space?
A)free
B)disk
C)dir
D)fsck

Question

Quizplus · Accepted Answer

The "free" command can be used to display the amount of free and used memory in the system, as well as information about swap space. It is a useful tool for system administration on CentOS 7. The other commands listed are not relevant to managing memory or swap space.

What Command Should a CentOS 7 System Administrator Use to Display