Test for writing and reading a file of over 100 Kbyte 1 line: "This is the start"3001 lines: "This is the leader"1 line: "This is the middle"3001 lines: "This is the trailer"1 line: "This is the end" STARTTEST:%daThis is the startThis is the leaderThis is the middleThis is the trailerThis is the endkY3000p2GY3000p:w! Xtest:%d:e! Xtest:.w! test.out3003G:.w >>test.out6005G:.w >>test.out:qa!ENDTEST