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"user space" programs regularly transition to "kernel space" via syscalls. That's how they access resources and "get things done".
by mav3rick 8y ago
"user space" programs regularly transition to "kernel space" via syscalls. That's how they access resources and "get things done".
- cbhl 8y agoAh, yes, I was thinking about this in terms of "how does a developer iterate on this" and not in terms of execution. But yes, of course even "hello world" needs to execute a syscall in kernel space to display anything.