[xiaocai@public xiaocai]$ ls
20020426_103619.tar.gz c hello.c nsmail
20020428_164419.tar.gz czj.key junk scull
20020428_164706.tar.gz Desktop linsniffer.c smtpfilter.conf
a FlashLevel2.swf linux_sniffer.c te
aa FlashLevel2.swf.1 MyJet.zip test
aals Ftp_Test nmap-2.54BETA26
aasdf hello nmap-2.54BETA26.tgz