/// @@prerequisite affectations 
%tk /// \sleftarrow{\normalfont checks {wether} we have Tcl/Tk support}
MSDOS /// \sleftarrow{\normalfont is it a Windows version of Scilab ?}

if ~MSDOS then 
  os=unix_g('uname');
else
  os='windows";
end 
os /// \sleftarrow{\normalfont Operating system  name ? }
if MSDOS then 
  l=unix_g('dir sc*.sci'); /// \sleftarrow{\normalfont list directory contents}
else
  l=unix_g('ls sc*.sci'); /// \sleftarrow{\normalfont list directory contents}
end 
l