What do you need to know to program under Linux?

Question

linux

Do I understand correctly that knowing C (c++, python, bash) and, for example, some gcc, I can start writing console utilities under Linux?

Answer 1

Yes.
Well, I would also like to read about the system calls of the kernel and, in general, about the architecture.

Answer 2

See the basics of Linux programming at
https://stepik.org/course/548/syllabus