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The output of your command "$ w" is:

 01:47:42 up 3 days, 15:58,  2 users,  load average: 0.01, 0.02, 0.00
USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU  WHAT
gdm      tty1     -                Wed09    3days 16:50    ?    /usr/libexec/dconf-service