question: @ Override public int runCommand ( String command ) throws IOException { int exitStatus ; try { exitStatus = runCommand ( false , Arrays . asList ( command . split ( " " ) ) ) ; } catch ( InterruptedException e ) { throw new IllegalStateException ( e ) ; } if ( exitStatus != 0 ) { throw new IllegalStateException ( getErrorMessage ( ) ) ; } return exitStatus ; }
target:  Runs command and returns exit status.