2. Linux was originally developed as a free
operating system for personal computers,and
is used to change anything on the computers.
3. It is used in many tablets and computers,and
cannot be changed on anything on the
computers.
4. In computing, a desktop environment (DE) is
an implementation of thedesktop metaphor
made of a bundle of programs running on top
of a computer operating system, which share
a common graphical userinterface (GUI).