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English Interview Notes / Operating Systems / Processes / Threads / Memory Management / io How Operating Systems Support Programs
This post puts operating systems back into context: why programs need processes, threads, virtual memory, page cache, system calls, and file systems.
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This is a short English draft for the Chinese article “操作系统如何托住程序：进程、内存、文件与 I/O”. The full translation is not finished yet, but this page is enough to verify the bilingual blog flow.
Draft Summary#
This draft outlines how operating systems support processes, memory, files, and I/O, with the complete discussion still in Chinese.
Continue with the Chinese version if you want the complete notes, examples, proofs, and code snippets.