在用UNZIP命令的时候出现下面的信息，请大家解释下。

jier1024

在我输入Y的时候她才开始解压缩。怎么样可以不要这些信息呢？
Archive:  /export/home/vms07/unzip/ss.zip
replace /export/home/vms07/unzip1/vms_uke_unyo.sh? [y]es, [n]o, [A]ll, [N]one, [r]ename:


这个error是怎么回事啊，请教。
error [/export/home/vms07/unzip/ss.zip]:  missing 1 bytes in zipfile
  (attempting to process anyway)
error [/export/home/vms07/unzip/ss.zip]:  attempt to seek before beginning of zipfile
  (please check that you have transferred or created the zipfile in the
  appropriate BINARY mode and that you have compiled UnZip properly)
  (attempting to re-compensate)