There is a program known as "calibre" that should be capable of opening and reading non-DRM.lit files. There is also a command-line utility in most repositories known as "convlit" that can convert them to HTML files.
OpenOffice or LibreOffice can open PowerPoint presentations.
In linux command line : tar -zxvf /path_to_your_file/filename.tar.gz
You can copy and backup any file in Linux, even if they are open. However, if the file is being edited, this is generally a bad idea, since the backup will not reflect any recent changes after they are saved.
CNET provides a download link in order to download a lit reader for Microsoft. Lit readers help read files with images which would not be possible to open without the download.
do your own research
Linux is an open system, Unix is not.
linux files dont need extensions
Linux and Unix and their variants have several different ways of locating files. each of the below commands can be used to locate files.findlocatewheriswhich
More or less.
cp.
Yes, Linux is an open source kernel released under the GPL.
If you want to share files with other linux computer use NFS. If you want to share files with windows computer use SAMBA.