By accident I deleted it. The process is like this: 1] $ ls -lrt try/ ls: cannot access try/STEPS: Permission denied -????????? ? ? ? ? ? XX.tar 2] $ ls -lrt total 3640 drw-rw-r--. 2 lina lina 4096 Oct 13 23:31 try 3] $ rm -rf try/ rm: cannot remove `try/STEPS': Permission denied 4] chmod +x try 5] rm -r try/ It works. Thanks,