2022 老男孩Linux sre 81期-15k金牌企业级班级
top Pictures eclipse
Documents Public eclipse-workspace
Downloads PyCharm getting-started
IdeaProjects PycharmProjects ipmsg.db
Library Sunlogin Files sensors
Movies apache-tomcat-8.5.31 vscode
cdcd 是英语 change directory 的缩写，表示切换目录
cd / --> 跳转到根目录
cd ~ --> 跳转到家目录
cd .. --> 跳转到上级目录
cd ./home --> 跳转到当前目录的home目录下
