(If you are not running 4.4bsd, this may be academic since the normal network services like telnet and ftp don't let you control the TOS).
(Ọ bụrụ na ịnọghị na 4.4bsd, nke a nwere ike ịbụ agụmakwụkwọ ebe ọ bụ na ọrụ netwọk dịka telnet na ftp adịghị ekwe ka ị na-achịkwa TOS).