Proc Contents

To explore the descriptor portion of a SAS data set and list of variables and attributes

Proc Contents Data = work.pilotdata;
Run;

Use the _ALL_ keyword to list all the SAS files in the library and the NODS option to suppress the descriptor portions of the data sets.

proc contents data = sasuser._all_ NODS;
run;

NODS must be used in conjunction with the keyword _ALL_.