| 1991–1996 | 1996 (unused) | 1996–present | 2005–2008 | 2008–present |
1991–1996
| NO KNOWN LOGO |
Linux was first released on October 5, 1991. No logo was used.
1996 (unused)

| SVG NEEDED |
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LinuxFox was first designed in 1996 by Alan Mackey. It was meant to be an alternative to Tux, the official mascot.
1996–present
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"Tux the Penguin" is the mascot and logo of Linux created by Larry Ewing.
2005–2008

A shorter version of Tux occasionally used.
2008–present
A revised version of the logo above. Only occasionally used.