@vikingkong Linux is only a kernel and so writing "the Linux kernel" is repeating yourself and furthering a popular error, as you're implying it's more than a kernel (as OS's that don't have a particular name for their kernel use such naming scheme like; the NT kernel).

If you want to stress that Linux is only a kernel, the way to write that is; "Linux, the kernel", or "the kernel, Linux" - it is your duty to write Linux when you mean Linux.