https://runtimewisdom.dev/blog A blog created with Next.js and Tailwind.css en-us 68mschmitt@gmail.com (Mike) 68mschmitt@gmail.com (Mike) Wed, 06 May 2026 00:00:00 GMT https://runtimewisdom.dev/blog/what-actually-happens-when-you-run-a-program https://runtimewisdom.dev/blog/what-actually-happens-when-you-run-a-program A step-by-step walkthrough of what happens between typing ./hello and seeing output: shells, fork, exec, ELF loading, memory layout, system calls, and process cleanup. Wed, 06 May 2026 00:00:00 GMT 68mschmitt@gmail.com (Mike) operating-systemslinuxprocessshellforkexecmemorysystem-callsc-programming