$ /data/local/tmp/busybox -a -l /var/tmp
/data/local/tmp/busybox -a -l /var/tmp
-a: applet not found
$ /data/local/tmp/busybox ls -a -l /var/tmp
/data/local/tmp/busybox ls -a -l /var/tmp
drwxrwxr-x    2 root     mot_osh       2048 Apr 13  2009 .
drwxr-xr-x   12 root     root          2048 Jul 22 14:58 ..
$