!NEAR
The Linux equivalent of LPT1 is /dev/lp0.
In a Linux terminal, the command to create a new directory is: mkdir .
There are several, but by far the most prominant for Linux would be LibreOffiice Calc.
There is no such thing as "Linux XP". If you're referring to Windows XP, then the answer is no. As far as Linux distributions, for the majority of distributions, they are free (as in freedom) and free-of-charge.
The 2.6 kernel is the latest series of LInux kernels. There are far too many programs that run on Linux to list them all.
The man command.
There's no specific equivalent. Several programs can be used for creating equivalent (though not necessarily compatible) presentations on Linux systems, including OpenOffice.org Impress, KPresenter, and MagicPoint.
Linux distributions can support hundreds of thousands of devices and programs, far too many to list.
Linux is the leading operating system and has far more users than Solaris.
There is no such thing as a "Linux 7". Even if there is a Linux distribution trying to market itself as a Windows 7 lookalike, it would be in a lot of legal trouble with Microsoft. As far as the Linux kernel, it's not the sole component responsible in booting. Additionally, the Linux kernel is up to at least 4.13 as of now.
You don't run macOS applications on Linux unless there's a Linux port. As far as Windows goes, there is Wine. Do note that it's not an emulator and it won't run perfectly with everything.
There are several, but by far the most common is LibreOffice Writer.