local function run( _sCommand, ... )
    local sPath = shell.resolveProgram( _sCommand )
    if sPath ~= nil then
        tProgramStack[#tProgramStack + 1] = sPath
        if multishell then
            multishell.setTitle( multishell.getCurrent(), fs.getName( sPath ) )
        end
        local result = os.run( tEnv, sPath, ... )
        tProgramStack[#tProgramStack] = nil
        if multishell then
            if #tProgramStack > 0 then
                multishell.setTitle( multishell.getCurrent(), fs.getName( tProgramStack[#tProgramStack] ) )
            else
                multishell.setTitle( multishell.getCurrent(), "shell" )
            end
        end
        return result
    else
        printError( "No such program" )
        return false
    end
end