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A system administrator (or sysadmin) is an IT professional responsible for the maintenance, configuration, and reliable operation of an organization's computer systems, including servers, operating systems, software, and networks
Q259: Linux: What is the primary purpose of the 'df' command?
Q260: Linux: What is the primary purpose of the 'top' command?
Q261: Linux: What is the primary purpose of the 'tar' command?