netcat does switch into and out of the kernel; you're otherwise correct that use...

JoachimSchipper on Jan 22, 2018 | parent | context | favorite | on: Choosing between programming in the kernel or in u...

netcat does switch into and out of the kernel; you're otherwise correct that userland networking pulls towards a one-process appliance (hence my original "... that don't need to care about playing nice with others").