What permissions are required to view and create files within a directory? What permissions are required to display files in a directory? What permissions are required to copy files?

Question: What permissions are required to view and create files in a directory? What permissions are required to display files in a directory? What permissions are required to copy files?

(1) What permissions are required to view and create files in a directory?

Step 1: Create a new directory "lala" , showing that its default permissions are 775 .