PNG ICO ICNS MORE
UI
Pixel
Fugue Icons
monitor, system, network
DarkSlateGray
16x16
system, monitor, medium
Glyph
System Tray Icons v2
system, tray, Ps
3D
Gnome Web Icons
system, Lock, Gnome
32x32
Run, Gnome, system
48, Gnome, Run
48x48
exclamation, system, monitor
monitor, Arrow, system
system, pencil, monitor
Minus, monitor, system
monitor, system, plus
Lynx Black
screen, Lock, system
system, search
22x22
system, xfce, Exit
Tango
system, Applications