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Human-O2
session, Halt, Gnome
DarkRed
128x128
property, session, Gnome
DarkSlateGray
session, Gnome, suspend
DimGray
Gnome, switch, session
DarkGreen
Gnome, Hibernate, session
Gainsboro
session, Reboot, Gnome
SandyBrown
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Mixed
Smooth
Tango Icon Library
preferences, system, session
SteelBlue
512x512
Gaming & gambling
3D
Delta
Clse, session
Black
256x256
Signs & symbols
Free 3d Glossy Interface Icon Set
Arrow, session, logout
64x64
power, switch, glossy
LightGreen
Desktop apps
Farm-fresh
session, Idle, time
32x32
UI
Snowish
Gnome, session
Business & finance
Glyph
Wireframe mono icons
playback, Reload, session
48x48
Photography & graphic design
Lumina
session
400x400
Stroke
Ultimate Gnome
logout, session, Log in
session, Hibernate
suspend, session
switch, session
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Pixel
Lynx Black
Halt, session
22x22
session, Reboot
session, suspend
session, switch