MSAV--Examples To start MSAV using a black and white color scheme, and to specify that MSAV check all drives except drives A and B, type the following command: msav /bw /a To write a simple batch program named VIRUS that supports the MSAV exit code and the /S switch to scan the current drive, you can type the following commands by using MS-DOS Editor: echo off rem Smith's msav command msav /s /n if errorlevel 86 goto virus if not errorlevel 86 goto none :virus echo MSAV has detected a virus on your current drive! goto exit :none echo MSAV found no viruses on your current drive. goto exit :exit