Who (Unix)

who is a Unix-command which creates almost the same output as the Unix-command "w"; it shows you users currently logged in a system. The only difference is, that who does not show system Uptime, load and system resources consumed by the user.

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W: W is the twenty-third letter of the modern Latin alphabet....

Uptime: Uptime is a measure of the time a computer system has been up and running. It came into use to describe the opposite of downtime, times when a system was non-operational....