6 1.目录和文件的操作 1健建立目录和文件 a touch Teaches ?. reeoceaosrtescte ·:·A·:白团·:② rootacentos7Teach home] touch filel file2 rootacentos7Teach -r-r..-.1 root 16:44f11e1 drwxr-xr-x. 3 root 16: 44 folder1 [rootacentos7Teach 可南中医药大学/阮晓龙/ 广21