That depends on the operating system and version of SAS you're using. On Windows, in SAS 9.2, the finfo function returns that information. In 9.1.3 it does not. Check the companion guide for the O/S and SAS version you're using.
T - Controls which time field displayed or used for sorting timefield
C - Creation
A - Last Access
W - Last Written
SYSTASK COMMAND "dir C:\TEMP\*.* /tc > C:\input_list.txt" TASKNAME = sas1 ;
WAITFOR _ALL_ sas1 TIMEOUT = 1;