Commandline commandline = new Commandline( newShell() );
commandline.setExecutable( "chmod" );
commandline.getShell().setQuotedArgumentsEnabled( true );
commandline.createArg().setValue( " " );
commandline.createArg().setValue( "|" );
commandline.createArg().setValue( "&&" );
commandline.createArg().setValue( "||" );
commandline.createArg().setValue( ";" );
commandline.createArg().setValue( ";;" );
commandline.createArg().setValue( "&" );
commandline.createArg().setValue( "()" );