-
Linux
Linux
Linux Torvalds
free -
Mac OsX
Apple
Mac OsX
Apple Computer INC
$899 -
Windows XP
Windows
Windows xp
Bill Gates
$50 -
Ubuntu
Ubuntu
Canonical ltd
no price found -
Windows 7
Windows
Windows 7
Bill Gates
49 euros -
Windows 1.0
Windows
Windows 1.0
Bill Gates -
Mac OSX Mountain Lion
Mac OSX Mountain Lion
Apple
Apple Corporation
15.99 euros -
Unix
Unix
Unix
Ken Thompson and Dennis Ritchie
Free
