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출처 : https://blog.naver.com/PostView.naver?blogId=csi468_&logNo=221432538483&parentCategoryNo=9&categoryNo=&viewDate=&isShowPopularPosts=false&from=postList 1. xv6 설치하기 (xv6 , 시스템프로그래밍) xv6란? https://en.wikipedia.org/wiki/Xv6 MIT에서 교육용으로 만든 Unix 계열 운영체제입니다. 자세... blog.naver.com https://pdos.csail.mit.edu/6.828/2019/labs/ Index of /2019/labs pdos.csail.mit.edu xv6는 MIT에서 만든 UNIX기반 교육용 운영체제입니다. xv..

https://codex.cs.yale.edu/avi/os-book/OS10/practice-exercises/index-solu.html Operating System Concepts - Practice Exercises We provide solutions to the Practice Exercises of the Tenth Edition of Operating System Concepts , by Silberschatz, Galvin and Gagne. These practice exercises are different from the exercises provided in the text. (Solutions to the exercises in the text ar codex.cs.yale.ed..

why write on bar inode ? -> to update the inode with a new last-accessed time.

a small disk with 64 blocks. i = inode bitmap d = a data bitmap

PCIe ( Peripheral Componenct Interconnect Express )

initial value of semapohre should be 1.

when a processor accesses memory, it spends a significant amount of time waiting for the data to becom available. this situation is called memory stall (M). ( compute time : C ) with two hardware threads per core( CPU ), we can remedy this situation. this technique is called CMT. chip multithreading.