Converting svg to dxf from terminal requires inkscape and pstoedit. I myself am using svgo to cleanup the svg file, haven't tested if it makes difference in some edge cases.
Linux refers to the family of Unix-like computer operating systems using the Linux kernel. Linux can be installed on a wide variety of computer hardware, ranging from mobile phones, tablet computers, routers and video game consoles, to desktop computers, mainframes and supercomputers. Linux is a leading server operating system, and runs the 10 fastest supercomputers in the world.