qm     d-    date    Cursor down to select desired extension (col 1)  
bak    d-    date    and sorting option (col 2), then [enter]:
bat    d-    date           d-  descending date
*      d-    date           n-  descending name
qm     n     name           n+  ascending name
bak    n     name    Extension * selects all files in directory.
bat    n     name    Add other desired extensions and sorting options.
*      n     name
*      ed-   ext/date
*      en    ext/name