BEGIN OF ty_file,
line(400) TYPE c, "File names
END OF ty_file,
This is the structure declaration.
l_v_unixcom would be ls -l \\PMICHSAPLA30\INTERFACE\\BCD\CO\OTC\SALES_RPT\test.txt
now call
CALL 'SYSTEM' ID 'COMMAND' FIELD l_v_unixcom
ID 'TAB' FIELD i_file[].
and see contents of i_file[] it should have the details, post results so we can help further