Call System - Issues operating system commands

For Example:

Delete a file

DATA _null_;
    CALL SYSTEM("del c:\temp\sas.txt");
RUN;

Please refer to follow link for more details
http://www.okstate.edu/sas/v7/sashtml/books/wincomp/z-system.htm

Or use

%SYSFUNC commands

FDELETE

filename tt 'c:\temp\sas.txt';

%put %sysfunc(FDELETE(t));

will return 0 if successful.

Please refer SAS handbook for more details about related commands.

好 人 阿

好 好 好！！！