What does it mean %* in batch file

%*

will return the remainder of the command line starting at the first command line argument (in Windows NT 4, %* also includes all leading spaces) see Command line parameters When would you like to use it?One scenario is when you want first to check if util exists and then invoke it with parameters passed to batch file Batch file build.cmd @ECHO OFF setlocal set PSakeVersion="4.3.1.0" set PackagesRoot=%~dp0\..\Source\packages set PSake=%PackagesRoot%\psake.%PSakeVersion%\tools\psake.cmd if defined NuGet (     set NuGet="-nuget %NuGet%" ) rem check if PSake is downloaded if not exist %PSake% (    echo Unable to download PSake using nuget    goto :EOF ) echo Invoking PSake build... %PSake% %~dp0\build.ps1 -framework "4.0" %* calling batch.cmd call .\Build\build.cmd PublishBuild -parameters "@{projectName='%ProjectName%';slnName='%SlnName%';platform='%BuildPlatform%';buildConfiguration='%BuildConfiguration%';xsBuildLabel='%system.build.number%';tfExePath='%TFExe%';TeamProjectCollection='$TeamProjectCollection%IsPreRelease%'}" -properties "@{nugetExePath='%env.NuGet%';msbuildLogger='%MSBuildLogger%'}" It first check if PSake is installed and then run %PSake% %~dp0\build.ps1 -framework "4.0" @{projectName='%ProjectName%';slnName='%SlnName%';platform='%BuildPlatform%';buildConfiguration='%BuildConfiguration%';xsBuildLabel='%system.build.number%';tfExePath='%TFExe%';TeamProjectCollection='$TeamProjectCollection%IsPreRelease%'}" -properties "@{nugetExePath='%env.NuGet%';msbuildLogger='%MSBuildLogger%'}