1. when i use the SAS ondemand for academics online SAS studio, i put my data under the common fold, however, cannot open the sas file , why?

2. and, when i created a lib containing the data provided in this book:
in its case 3 study.
But it turned out that the lib data set is empty after i uploaded the data and create a lib pointing to the directory

Then i found a answer in common questions as below:

Since i'm just a starter, i dont quite understand what this exactly mean, it mean that i can not work with available sas libs or i can create 3rd party libs through assigning libname statements?
Hi,
I'm guessing that you are using the documents available at the SAS OnDemand for Academics site. One thing I notice that's different in your steps is the LIBNAME statement. The examples state to point to the ./my_content subfolder, but your screenshot shows '/home/lynna.zhang' -- not '/home/lynna.zhang/my_content'. Could that be the cause for what you're seeing?
Chris
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