MATE Desktop http://www.mate-desktop.org/ utilities-system-monitor <_description>Kill process <_message>Privileges are required to control other users' processes no no auth_admin_keep @pkglibexecdir@/msm-kill <_description>Renice process <_message>Privileges are required to change the priority of processes no no auth_admin_keep @pkglibexecdir@/msm-renice