https://ov4.org/tags/shell/ Recent content in Shell on _ov4 Press Hugo en Sat, 08 Aug 2026 22:25:29 +0800 https://ov4.org/posts/2026/08/08/csapp-shell-lab/ Sat, 08 Aug 2026 22:25:29 +0800 https://ov4.org/posts/2026/08/08/csapp-shell-lab/ <p>Repo: <a href="https://github.com/ovfor4/tiny-shell">ovfor4/tiny-shell</a></p> <p>An advanced version <a href="https://github.com/ovfor4/ccshell">ovfor4/ccshell</a></p> <p>Not a good idea to paste every line of code on the website if you have a github account</p> <p>Some useful notes here, not cheating:</p> <p><details > <summary markdown="span">Notes</summary> <p>pid_t getpid(void); returns PID of current process</p> <p>pid_t getppid(void); returns PID of parent process</p> <p>void exit(int status); terminates with status code called once, never returns</p> <p>pid_t fork(void); returns 0 to child process, and child PID to parent process called once, returns twice</p>