Tips, tricks, cheatsheets
$ fetch ftp://user:password@A.B.C.D:21/path/to/file/file.ext
$ curl -T file.ext -u user:password ftp://A.B.C.D/path/to/file/file.ext
mp3
files from page:
$ wget -r -l1 -t1 -nd -N -np -A.mp3 -erobots=off http://site.address/page