진행 상황문법 검사2023-09-13빌트인 함수2023-09-22시그널 구현2023-10-07파싱하기2023-09-07파이프 구현2023-09-22 배운것들 New database 참고자료 harm-smits.github.io/42docs/projects/minishell↗ Chapter5-WritingYourOwnShell.pdf (purdue.edu)cs.purdue.edu↗ Shell Command Language (opengroup.org)pubs.opengroup.org↗