bash-3.2# ffmpeg -v
FFmpeg version SVN-r8673, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration: --enable-shared --enable-pthreads
  libavutil version: 49.4.0
  libavcodec version: 51.40.2
  libavformat version: 51.11.0
  built on Apr  8 2007 14:09:50, gcc: 3.3.4
ffmpeg: missing argument for option '-v'
bash-3.2#