2.9BSD/usr/contrib/mh/strings/lsproc.c

/*
 * This is standard ls, but "folder -all -short" calls it with
 * a -x switch meaning "list only directories".
 *
 * Also, its nice to have columnated output rather than a simple
 * list... (personal prejudice).
 */

char    *lsproc =       "/bin/ls";