Linux is an operating system kernel. OpenOffice is an office suite (collection of office programs).
Yes.
Yes. OpenOffice should be available in the repository for Linux, and is available on OpenOffice's website for Windows.
There's very little difference. LibreOffice is an 'offshoot' from OpenOffice. Both programs have the same programs within the suite.
OpenOffice
what are similarities and differences between linux and unix?
OpenOffice and LibreOffice are both full office suites used in Linux distributions.
OpenOffice or LibreOffice can open PowerPoint presentations.
./ <program file name>
What is the difference between Redhat Linux EL4 and EL5.
Scribus Linux Office Suite: OpenOffice [Free] Linux Office Suite: GNOME-Office [Free] Linux Office Suite: KOffice [Free] Linux Office Suite: SiagOffice [Free] Linux Office Suite: StarOffice
It can advertise free software like GNU/linux, Mozilla, OpenOffice.
There are many shells available for Linux; you need to be specific about the ones you want to compare.