A simple SAS program to read the output of the df command into a SAS file looks like that: filename oscmd pipe "df -k"; data diskfree; infile oscmd dlm=" " truncover firstobs=2; length volume $30 space 8 used 8 nodes 8 directory $100 ; informat percent npercent percent5. ; format percent npercent percent5. space used comma12. nodes comma9. ; input volume@ ; if volume ne '/proc'; input space used percent nodes npercent directory ; run; Note that I use -k instead of the -h option, as it spares me the hassle of interpreting the K, M, or G. Also note the subsetting if that suppresses the /proc filesystem, as it does not contain valid numerical values (AIX) ... View more