erences are
mainly in the mode of operation, user interface and level of security.The current version being sold is Windows 10, but you may still encounter older versions such as
Windows 8, Windows 7, Windows Vista or even Windows XP. This system is sold on various computer brands
(Acer, Asus, Dell, HP, Sony, Toshiba...).Windows: The successor to MS-DOS (created by Microsoft), it runs on PCs (micro-computers), then improved
to be functional on networks with its Windows Server version.Here are some examples of well-known operating systems (see figure 2.17):
MS-DOS (Microsoft Disk Operating System): An operating system developed by Microsoft for personal
computers (PCs/ micro-computers).Linux: This is the new operating system that has replaced Unix.It is currently the most widely used operating
system.Another version of Unix known as BERKLEY Unix, this system runs on both
personal computers and networks.This operating system is only present on Apple computers (Macintosh).Unix: Developed by Bell laboratory.MacOs: Developed by Apple.