Linux and the many variations based on Linux (Ubuntu, Mint, to name but two) are aimed at any one who wishes to use it, and is available for free.
Linux does not have a target market. It is designed to be easily adapted to whatever purpose a person or company needs.
Many Linux distributions are intended for home users.
The users and developers.
No, there is not just one version of Linux; instead, there are many different distributions (or "distros") of Linux, each tailored for specific use cases or user preferences. Popular examples include Ubuntu, Fedora, Debian, and CentOS, among others. These distributions vary in their user interfaces, package management systems, and target audiences, from beginners to advanced users and servers. This diversity is one of the strengths of Linux, allowing users to choose the version that best meets their needs.
This is the problem, no one really knows. Unlike Windows or OS X, Linux doesn't really have you "register" or phone home to anyone, so no statistic on how many Linux users there are is accurate. I personally estimate Linux users number at least as much as OS X users, though many will not agree with me.
PenLUG is: Peninsula Linux Users' Group.
When it comes to Linux recording, the first name that comes to mind is OBS Studio because it allows capturing the screen, streaming, and multiple audio sources. In case you want something less complicated, ScreenRec is simpler to operate and it still gives good quality output. ScreenRec is an excellent fit when you need to make a quick clip and share it quickly without the need to have the full production capabilities.
Yes, cloud computing exists for Linux users. You can use almost any of the platforms with Linux.
Some of them.
It allows you to switch users.
IPCop, a firewall software geared toward Linux SOHO users, can be downloaded from the IPCop website. It was created by Linux users who were unhappy with the existing firewall availability.
Linux Wine is an open source software program. The Linux Wine software program allows Linux users to run Windows programs on their own devices such as computers.